本文整理汇总了VB.NET中System.Data.DataColumnCollection.Add方法的典型用法代码示例。如果您正苦于以下问题:VB.NET DataColumnCollection.Add方法的具体用法?VB.NET DataColumnCollection.Add怎么用?VB.NET DataColumnCollection.Add使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.DataColumnCollection 的用法示例。
在下文中一共展示了DataColumnCollection.Add方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。
示例1: AddColumn
Private Sub AddColumn()
' Get the DataColumnCollection from a table in a DataSet.
Dim columns As DataColumnCollection = _
DataSet1.Tables("Prices").Columns
Dim column As DataColumn = columns.Add()
With column
.DataType = System.Type.GetType("System.Decimal")
.ColumnName = "Total"
.Expression = "UnitPrice * Quantity"
.ReadOnly = True
.Unique = False
End With
End Sub
开发者ID:VB.NET开发者,项目名称:System.Data,代码行数:14,代码来源:DataColumnCollection.Add
示例2: AddDataColumn
Private Sub AddDataColumn()
' Get the DataColumnCollection from a DataTable in a DataSet.
Dim columns As DataColumnCollection = _
DataSet1.Tables("Orders").Columns
Dim column As New DataColumn()
With column
.DataType = System.Type.GetType("System.Decimal")
.ColumnName = "ItemPrice"
.Caption = "Price"
.ReadOnly = False
.Unique = False
.DefaultValue = 0
End With
columns.Add(column)
End Sub
开发者ID:VB.NET开发者,项目名称:System.Data,代码行数:16,代码来源:DataColumnCollection.Add
示例3: AddColumn
Private Sub AddColumn()
' Get the DataColumnCollection from a table in a DataSet.
Dim columns As DataColumnCollection = _
DataSet1.Tables("Prices").Columns
Dim column As DataColumn = columns.Add("Total")
With column
.DataType = System.Type.GetType("System.Decimal")
.ReadOnly = True
.Expression = "UnitPrice * Quantity"
.Unique = False
End With
End Sub
开发者ID:VB.NET开发者,项目名称:System.Data,代码行数:13,代码来源:DataColumnCollection.Add
示例4: AddColumn
Private Sub AddColumn()
Dim columns As DataColumnCollection = _
DataSet1.Tables("Orders").Columns
' Add a new column and return it.
Dim column As DataColumn = columns.Add( _
"Total", System.Type.GetType("System.Decimal"))
column.ReadOnly = True
column.Unique = False
End Sub
开发者ID:VB.NET开发者,项目名称:System.Data,代码行数:10,代码来源:DataColumnCollection.Add
示例5: AddColumn
Private Sub AddColumn()
' Get the DataColumnCollection of a table in a DataSet.
Dim columns As DataColumnCollection = _
DataSet1.Tables("Orders").Columns
' Add a new column and return it.
Dim column As DataColumn = _
columns.Add("Total", System.Type.GetType( _
"System.Decimal"), "Price + Tax")
column.ReadOnly = True
column.Unique = False
End Sub
开发者ID:VB.NET开发者,项目名称:System.Data,代码行数:12,代码来源:DataColumnCollection.Add
注:本文中的System.Data.DataColumnCollection.Add方法示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
请发表评论