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http://blog.csdn.net/xht555/article/details/38685845 https://www.cnblogs.com/wuchao/archive/2012/12/25/2832744.html
IEnumerable<DataGridViewRow> enumerableList = this.dataGridView1.Rows.Cast<DataGridViewRow>();
//数组转成字符串 IEnumerable<DataGridViewRow> DataGridList = this.rcomdgv2.Rows.Cast<DataGridViewRow>();
//对应的数据赋值 IEnumerable<DataGridViewRow> DataGridList = this.rcomdgv2.Rows.Cast<DataGridViewRow>(); //求表格和 var TotalActualWeight = from p in enumerableList group p by p.Cells["out_barcode"].Value into g select new { TotalActual = g.Sum(p => p.Cells["weight"].Value.ObjToDecimal()) };
//去除重复 IEnumerable<DataGridViewRow> enumerableList = this.dataGridView1.Rows.Cast<DataGridViewRow>(); ///只会获得 Number 列的名称 var luo = enumerableList.GroupBy(x => x.Cells["Number"].Value).ToList();
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