在线时间:8:00-16:00
迪恩网络APP
随时随地掌握行业动态
扫描二维码
关注迪恩网络微信公众号
对于gridview学NET的同学再熟悉不过,但是其中功能事件是否能编码熟练实现?前不久看点博文,以及资料,综合自己的一些想法,汇总如下: 数据库设计如下,以便更好理解: 设计: 实现: GridView无代码分页排序 小实例: AllowSorting设为True,aspx代码中是AllowSorting="True"; 运行结果: GridView选中,编辑,取消,删除 小实例: GridView.aspx 复制代码 代码如下: <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating"> <Columns> <asp:TemplateField HeaderText="身份证号" SortExpression="pid"> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("pid") %>'></asp:Label> </ItemTemplate> </asp:TemplateField> <%-- <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" />--%> <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" /> <asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" /> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" /> <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" /> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" /> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> GridView.aspx.cs 复制代码 代码如下: //公有数据 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["sqlcon"].ConnectionString); SqlCommand cmd; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { bind(); //正常绑定 } } /// <summary> /// 主题:绑定数据,查询显示个人信息 /// 时间:2012年11月21日14:54:13 /// 描述:通过简单的方法绑定,实现数据显示 /// 作者:小伙 /// </summary> public void bind() { //数据连接web.config中已配置的数据 SqlDataAdapter da = new SqlDataAdapter("select top 5 * from person", con);//使用数据适配器内置查询,自动开闭数据库 DataSet ds = new DataSet();//使用数据集,采取断开式访问数据 da.Fill(ds, "person"); GridView1.DataSource = ds; GridView1.DataKeyNames=new string[]{"pid"};//设置主键 GridView1.DataBind(); } //实现分页 protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView1.PageIndex = e.NewPageIndex; this.bind(); } //删除 protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { string sqlstr = "delete from person where pid='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'"; con.Open(); cmd = new SqlCommand(sqlstr, con); cmd.ExecuteNonQuery(); con.Close(); bind(); } //取消编辑 protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { GridView1.EditIndex = -1; bind(); } //编辑 protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { GridView1.EditIndex = e.NewEditIndex; bind(); } //更新 protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e) { string sqlstr = "update person set pname='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',psex='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim()+"',padress='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim()+"',pyoubiao='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[4].Controls[0])).Text.ToString().Trim()+"',pprice='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[5].Controls[0])).Text.ToString().Trim()+"' where pid='" +GridView1.DataKeys[e.RowIndex].Value.ToString()+"'"; cmd = new SqlCommand(sqlstr, con); con.Open(); cmd.ExecuteNonQuery(); con.Close(); GridView1.EditIndex = -1; bind(); } 运行结果: 运行初始页: 点击编辑: 更新后: GridView正反双向排序 小实例: GridView.aspx 复制代码 代码如下: <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" onsorting="GridView1_Sorting"> <Columns> <%--<asp:TemplateField HeaderText="身份证号" SortExpression="pid"> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("pid") %>'></asp:Label> </ItemTemplate> </asp:TemplateField>--%> <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" /> <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" /> <asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" /> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" /> <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" /> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" /> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> GridView.aspx.cs 复制代码 代码如下: //公有数据 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["sqlcon"].ConnectionString); SqlCommand cmd; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { ViewState["SortOrder"] = "pname"; ViewState["OrderDire"] = "ASC"; Sortbind1();//排序绑定 } } //排序绑定 public void Sortbind1() { string sqlstr = "select top 5 * from person"; SqlDataAdapter myda = new SqlDataAdapter(sqlstr, con); DataSet ds = new DataSet(); con.Open(); myda.Fill(ds, "person"); DataView view = ds.Tables["person"].DefaultView; string sort = (string)ViewState["SortOrder"] + " " + (string)ViewState["OrderDire"]; view.Sort = sort; GridView1.DataSource = view; GridView1.DataBind(); con.Close(); } //排序 protected void GridView1_Sorting(object sender, GridViewSortEventArgs e) { string sPage = e.SortExpression; if (ViewState["SortOrder"].ToString() == sPage) { if (ViewState["OrderDire"].ToString() == "Desc") { ViewState["OrderDire"] = "ASC"; } else { ViewState["OrderDire"] = "Desc"; } } else { ViewState["SortOrder"] = e.SortExpression; } Sortbind1(); } 运行结果: 排序前: 排序后:
小实例: GridView.aspx 复制代码 代码如下: <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" onsorting="GridView1_Sorting"> <Columns> <%--<asp:TemplateField HeaderText="身份证号" SortExpression="pid"> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("pid") %>'></asp:Label> </ItemTemplate> </asp:TemplateField>--%> <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" /> <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" /> <asp:TemplateField HeaderText="性别" SortExpression="psex" > <ItemTemplate> <asp:DropDownList ID="DropDownList1" runat="server" DataSource='<%# ddlbind()%>' DataValueField="psex" DataTextField="psex"/> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" /> <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" /> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" /> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> GridView.aspx.cs 复制代码 代码如下: //公有数据 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["sqlcon"].ConnectionString); SqlCommand cmd; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { Drpbind();//dropdown绑定 } } //DropDownList绑定数据 DropDownList ddl; public void Drpbind() { string sqlstr = "select top 5 * from person"; con.Open(); SqlDataAdapter myda = new SqlDataAdapter(sqlstr, con); DataSet ds = new DataSet(); myda.Fill(ds, "person"); GridView1.DataSource = ds; GridView1.DataBind(); for (int i = 0; i <= GridView1.Rows.Count - 1; i++) { DataRowView mydrv = ds.Tables["person"].DefaultView[i]; if (Convert.ToString(mydrv["psex"]).Trim() == "男") { ddl = (DropDownList)GridView1.Rows[i].FindControl("DropDownList1"); ddl.SelectedIndex = 0; } else if (Convert.ToString(mydrv["psex"]).Trim() == "女") { ddl = (DropDownList)GridView1.Rows[i].FindControl("DropDownList1"); ddl.SelectedIndex = 1; } } con.Close(); } //GridView和下拉菜单DropDownList结合,前台性别列datasouce调用 public SqlDataReader ddlbind() { string sqlstr = "select distinct psex from person";//distinct只显示一次性别 using (cmd = new SqlCommand(sqlstr, con)) { con.Close(); con.Open(); return cmd.ExecuteReader(); } } 运行结果:
小实例: GridView.aspx 复制代码 代码如下: <form id="form1" runat="server"> <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" PageSize="4"> <Columns> <asp:TemplateField> <ItemTemplate> <asp:CheckBox ID="CheckBox1" runat="server" /> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" /> <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" /> <asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" /> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" /> <%-- <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" /> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" />--%> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> <br /> <asp:CheckBox ID="CheckBox2" runat="server" ForeColor="Red" Text="全选" AutoPostBack="True" oncheckedchanged="CheckBox2_CheckedChanged" /> <asp:Button ID="Button1" runat="server" Font-Bold="true" ForeColor="red" Text="删除" onclick="Button1_Click" /> <asp:Button ID="Button2" runat="server" Font-Bold="true" ForeColor="red" Text="取消" onclick="Button2_Click" /> </form> GridView.aspx.cs 复制代码 代码如下: //公有数据 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["sqlcon"].ConnectionString); SqlCommand cmd; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { bind(); //正常绑定 } } public void bind() { //数据连接web.config中已配置的数据 SqlDataAdapter da = new SqlDataAdapter("select * from person", con);//使用数据适配器内置查询,自动开闭数据库 DataSet ds = new DataSet();//使用数据集,采取断开式访问数据 da.Fill(ds, "person"); GridView1.DataSource = ds; GridView1.DataKeyNames=new string[]{"pid"};//设置主键 GridView1.DataBind(); } //利用CheckBox选中信息 protected void CheckBox2_CheckedChanged(object sender, EventArgs e) { for (int i = 0; i <= GridView1.Rows.Count - 1; i++) { CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1"); if (CheckBox2.Checked == true) { cbox.Checked = true; } else { cbox.Checked = false; } } } //删除选中信息 protected void Button1_Click(object sender, EventArgs e) { for (int i = 0; i <= GridView1.Rows.Count - 1; i++) { CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1"); if (cbox.Checked == true) { string sqlstr = "delete from person where pid='" + GridView1.DataKeys[i].Value + "'"; cmd = new SqlCommand(sqlstr, con); con.Open(); cmd.ExecuteNonQuery(); con.Close(); } } bind(); } //取消选中信息 protected void Button2_Click(object sender, EventArgs e) { CheckBox2.Checked = false; for (int i = 0; i <= GridView1.Rows.Count - 1; i++) { CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1"); cbox.Checked = false; } }
小实例: GridView.aspx 复制代码 代码如下: <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" PageSize="4" onrowdatabound="GridView1_RowDataBound"> <Columns> <asp:TemplateField> <ItemTemplate> <asp:CheckBox ID="CheckBox1" runat="server" /> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" /> <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" /> <asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" /> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" /> <%-- <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" /> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" />--%> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> GridView.aspx.cs 复制代码 代码如下: //公有数据 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["sqlcon"].ConnectionString); SqlCommand cmd; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { bind(); //正常绑定 } } public void bind() { //数据连接web.config中已配置的数据 SqlDataAdapter da = new SqlDataAdapter("select * from person", con);//使用数据适配器内置查询,自动开闭数据库 DataSet ds = new DataSet();//使用数据集,采取断开式访问数据 da.Fill(ds, "person"); GridView1.DataSource = ds; GridView1.DataKeyNames=new string[]{"pid"};//设置主键 GridView1.DataBind(); } //鼠标移动到某一行,改变改行颜色 protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e) { for (int i = 0; i < GridView1.Rows.Count+1; i++) //执行循环,保证每条数据都可以更新 { if (e.Row.RowType == DataControlRowType.DataRow) //首先判断是否是数据行 { //当鼠标停留时更改背景色 e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#999'"); //当鼠标移开时还原背景色 e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c"); } } } 运行结果:
小实例: GridView.aspx GridView.aspx.cs 复制代码 代码如下: //鼠标移动到某一行,改变改行颜色 protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e) { //如果是绑定数据行 if (e.Row.RowType == DataControlRowType.DataRow) { //鼠标经过时,行背景色变 e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#999'"); //鼠标移出时,行背景色变 e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#087'"); } } 运行结果:
GridView实现删除时弹出确认对话框 小实例: GridView.aspx 复制代码 代码如下: <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" PageSize="4" onrowdatabound="GridView1_RowDataBound"> <Columns> <asp:TemplateField> <ItemTemplate> <asp:CheckBox ID="CheckBox1" runat="server" /> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" /> <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" /> <asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" /> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" /> <%-- <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" />--%> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" /> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> GridView.aspx.cs 复制代码 代码如下: //鼠标移动到某一行,改变改行颜色 protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e) { #region //如果是绑定数据行 if (e.Row.RowType == DataControlRowType.DataRow) { //鼠标经过时,行背景色变 e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#999'"); //鼠标移出时,行背景色变 e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#087'"); } #endregion //如果是绑定数据行 if (e.Row.RowType == DataControlRowType.DataRow) { if (e.Row.RowState == DataControlRowState.Normal || e.Row.RowState == DataControlRowState.Alternate) { ((LinkButton)e.Row.Cells[7].Controls[0]).Attributes.Add("onclick", "javascript:return confirm('你确认要删除:\"" + e.Row.Cells[1].Text + "\"吗?')"); } } } 运行结果:
GridView实现自动编号 小实例: GridView.aspx 前台代码如上 GridView.aspx.cs 绑定显示数据代码如上,不再总结,以下只做主要代码: 复制代码 代码如下: //实现自动编号 protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e) { #region //如果是绑定数据行 if (e.Row.RowType == DataControlRowType.DataRow) { //鼠标经过时,行背景色变 e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#999'"); //鼠标移出时,行背景色变 e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#087'"); } #endregion #region //如果是绑定数据行 if (e.Row.RowType == DataControlRowType.DataRow) { if (e.Row.RowState == DataControlRowState.Normal || e.Row.RowState == DataControlRowState.Alternate) { ((LinkButton)e.Row.Cells[8].Controls[0]).Attributes.Add("onclick", "javascript:return confirm('你确认要删除:\"" + e.Row.Cells[1].Text + "\"吗?')"); } } #endregion if (e.Row.RowIndex != -1) { int id = e.Row.RowIndex + 1; e.Row.Cells[0].Text = id.ToString(); } } 运行结果:
GridView实现用“...”代替超长字符串 小实例: GridView.aspx 复制代码 代码如下: <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" PageSize="4" onrowdatabound="GridView1_RowDataBound"> <Columns> <asp:BoundField DataField="id" HeaderText="证号" SortExpression="id" /> <asp:TemplateField> <ItemTemplate> <asp:CheckBox ID="CheckBox1" runat="server" /> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" /> <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" /> <asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" /> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" /> <%-- <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" />--%> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" /> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> GridView.aspx.cs 复制代码 代码如下: public void bind() { //数据连接web.config中已配置的数据 SqlDataAdapter da = new SqlDataAdapter("select * from person", con);//使用数据适配器内置查询,自动开闭数据库 DataSet ds = new DataSet();//使用数据集,采取断开式访问数据 da.Fill(ds, "person"); GridView1.DataSource = ds; GridView1.DataKeyNames=new string[]{"pid"};//设置主键 GridView1.DataBind(); //省略字符 for (int i = 0; i <= GridView1.Rows.Count - 1; i++) { DataRowView mydrv; string gIntro; if (GridView1.PageIndex == 0) { mydrv = ds.Tables["person"].DefaultView[i]; gIntro = Convert.ToString(mydrv["padress"]); GridView1.Rows[i].Cells[5].Text = SubStr(gIntro, 2); } else { mydrv = ds.Tables["person"].DefaultView[i + (5 * GridView1.PageIndex)]; gIntro = Convert.ToString(mydrv["padress"]); GridView1.Rows[i].Cells[5].Text = SubStr(gIntro, 2); } } } public string SubStr(string sString, int nLeng) { if (sString.Length <= nLeng) { return sString; } string sNewStr = sString.Substring(0, nLeng); sNewStr = sNewStr + "..."; return sNewStr; } 运行结果:
小实例: GridView.aspx 复制代码 代码如下: <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" PageSize="4" onrowdatabound="GridView1_RowDataBound"> <Columns> <asp:BoundField DataField="id" HeaderText="证号" SortExpression="id" /> <asp:TemplateField> <ItemTemplate> <asp:CheckBox ID="CheckBox1" AutoPostBack="true" runat="server" /> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" /> <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" /> <asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" /> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" /> <%-- <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" />--%> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" /> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> <br /> <asp:CheckBox ID="CheckBox2" runat="server" ForeColor="Red" Text="全选" AutoPostBack="True" oncheckedchanged="CheckBox2_CheckedChanged" /> <asp:CheckBox ID="CheckBox3" runat="server" ForeColor="Red" Text="隐藏工资起价" AutoPostBack="True" oncheckedchanged="CheckBox3_CheckedChanged" /> <asp:Button ID="Button1" runat="server" Font-Bold="true" ForeColor="red" Text="删除" onclick="Button1_Click" /> <asp:Button ID="Button2" runat="server" Font-Bold="true" ForeColor="red" Text="取消" onclick="Button2_Click" /> GridView.aspx.cs 复制代码 代码如下: public void bind() { //数据连接web.config中已配置的数据 SqlDataAdapter da = new SqlDataAdapter("select * from person", con);//使用数据适配器内置查询,自动开闭数据库 DataSet ds = new DataSet();//使用数据集,采取断开式访问数据 da.Fill(ds, "person"); GridView1.DataSource = ds; GridView1.DataKeyNames=new string[]{"pid"};//设置主键 GridView1.DataBind(); //省略字符 #region for (int i = 0; i <= GridView1.Rows.Count - 1; i++) { DataRowView mydrv; string gIntro; if (GridView1.PageIndex == 0) { mydrv = ds.Tables["person"].DefaultView[i]; gIntro = Convert.ToString(mydrv["padress"]); GridView1.Rows[i].Cells[5].Text = SubStr(gIntro, 2); } else { mydrv = ds.Tables["person"].DefaultView[i + (5 * GridView1.PageIndex)]; gIntro = Convert.ToString(mydrv["padress"]); GridView1.Rows[i].Cells[5].Text = SubStr(gIntro, 2); } } #endregion //隐藏列 GridView1.Columns[7].Visible = false;//一开始隐藏 CheckBox3.Checked = false;//如果不这样后面的代码会把他True } //隐藏列 protected void CheckBox3_CheckedChanged(object sender, EventArgs e) { GridView1.Columns[7].Visible = !GridView1.Columns[7].Visible; Response.Write("GridView1的第8列现在的显示隐藏状态是:" + GridView1.Columns[7].Visible.ToString()); } 运行结果:
小实例: GridView.aspx 运行结果:
GridView突出显示某一单元格(工资低于10000元) 小实例: GridView.aspx 复制代码 代码如下: <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" PageSize="4" onrowdatabound="GridView1_RowDataBound"> <Columns> <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" /> <%-- <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" />--%> <asp:HyperLinkField HeaderText="姓名" Text="姓名" DataNavigateUrlFields="pname" DataNavigateUrlFormatString="WebForm1.aspx?GoodsID={0}" Target="mainframe" NavigateUrl="~/WebForm1.aspx" DataTextField="pname" > </asp:HyperLinkField> <asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" /> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" DataFormatString="{0:C}" SortExpression="pprice" /> <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" /> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" /> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> GridView.aspx.cs 复制代码 代码如下: public void bind() { //数据连接web.config中已配置的数据 SqlDataAdapter da = new SqlDataAdapter("select * from person", con);//使用数据适配器内置查询,自动开闭数据库 DataSet ds = new DataSet();//使用数据集,采取断开式访问数据 da.Fill(ds, "person"); GridView1.DataSource = ds; GridView1.DataKeyNames=new string[]{"pid"};//设置主键 GridView1.DataBind(); //省略字符 #region //for (int i = 0; i <= GridView1.Rows.Count - 1; i++) //{ // DataRowView mydrv; // string gIntro; // if (GridView1.PageIndex == 0) // { // mydrv = ds.Tables["person"].DefaultView[i]; // gIntro = Convert.ToString(mydrv["padress"]); // GridView1.Rows[i].Cells[3].Text = SubStr(gIntro, 2); // } // else // { // mydrv = ds.Tables["person"].DefaultView[i + (5 * GridView1.PageIndex)]; // gIntro = Convert.ToString(mydrv["padress"]); // GridView1.Rows[i].Cells[5].Text = SubStr(gIntro, 2); // } //} #endregion //隐藏列 //GridView1.Columns[3].Visible = false;//一开始隐藏 //CheckBox3.Checked = false;//如果不这样后面的代码会把他True //突出显示某一单元格(工资起价少于10000) for (int i = 0; i <= GridView1.Rows.Count - 1; i++) { DataRowView mydrv = ds.Tables["person"].DefaultView[i]; string price = Convert.ToString(mydrv["pprice"]); if (Convert.ToDouble(price) < 10000)//大家这里根据具体情况设置可能ToInt32等等 { GridView1.Rows[i].Cells[5].BackColor = System.Drawing.Color.Red; } } } 运行结果: GridView数据导入Excel/Excel数据读入GridView 小实例: GridView.aspx 复制代码 代码如下: <asp:GridView ID="GridView1" runat="server" Height="138px" Width="1117px" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" onpageindexchanging="GridView1_PageIndexChanging" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating"> <Columns> <asp:TemplateField HeaderText="身份证号" SortExpression="pid"> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("pid") %>'></asp:Label> </ItemTemplate> </asp:TemplateField> <%-- <asp:BoundField DataField="pid" HeaderText="身份证号" SortExpression="pid" />--%> <asp:BoundField DataField="pname" HeaderText="姓名" SortExpression="pname" /> <asp:BoundField DataField="psex" HeaderText="性别" SortExpression="psex" /> <asp:BoundField DataField="padress" HeaderText="地址" SortExpression="padress" /> <asp:BoundField DataField="pyoubiao" HeaderText="邮编" SortExpression="pyoubiao" /> <asp:BoundField DataField="pprice" HeaderText="工资起价" SortExpression="pprice" /> <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" /> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" /> </Columns> <EmptyDataRowStyle BackColor="Red" /> <HeaderStyle BackColor="#0000CC" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#864" HorizontalAlign="Center" ForeColor="White"/> </asp:GridView> GridView.aspx.cs 复制代码 代码如下: //公有数据 SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["sqlcon"].ConnectionString); SqlCommand cmd; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { bind(); //正常绑定 } } /// <summary> /// 主题:绑定数据,查询显示个人信息 /// 时间:2012年11月21日14:54:13 /// 描述:通过简单的方法绑定,实现数据显示 /// 作者:小伙 /// </summary> public void bind() { //数据连接web.config中已配置的数据 SqlDataAdapter da = new SqlDataAdapter("select top 5 * from person", con);//使用数据适配器内置查询,自动开闭数据库 DataSet ds = new DataSet();//使用数据集,采取断开式访问数据 da.Fill(ds, "person"); GridView1.DataSource = ds; GridView1.DataKeyNames=new string[]{"pid"};//设置主键 GridView1.DataBind(); } //实现分页 protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView1.PageIndex = e.NewPageIndex; this.bind(); } //删除 protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { string sqlstr = "delete from person where pid='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'"; con.Open(); cmd = new SqlCommand(sqlstr, con); cmd.ExecuteNonQuery(); con.Close(); bind(); } //取消编辑 protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { GridView1.EditIndex = -1; bind(); } //编辑 protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { GridView1.EditIndex = e.NewEditIndex; bind(); } //更新 protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e) { string sqlstr = "update person set pname='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',psex='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim()+"',padress='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim()+"',pyoubiao='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[4].Controls[0])).Text.ToString().Trim()+"',pprice='" +((TextBox)(GridView1.Rows[e.RowIndex].Cells[5].Controls[0])).Text.ToString().Trim()+"' where pid='" +GridView1.DataKeys[e.RowIndex].Value.ToString()+"'"; cmd = new SqlCommand(sqlstr, con); con.Open(); cmd.ExecuteNonQuery(); con.Close(); GridView1.EditIndex = -1; bind(); } 运行结果: 导出结果: |
请发表评论