在不同的事件中获得不同控件的主键

 datalist的 datalist_ItemCommand 得到主键：datalist.DataKeys[e.Item.ItemIndex];  RadioButtonList得到绑定的Value RadioButtonList.SelectedValues;  dropdownlist得到主键：int id2=Convert.ToInt32(BranchDrop.SelectedValue);id = Convert.ToInt32(BranchDrop.SelectedItem.Value); gridview(RowDeleting):  int id =Convert.ToInt32(gridview1.DataKeys[e.RowIndex].Value.ToString());gridview1_RowEditing:  id2 = Convert.ToInt32(gridview1.DataKeys[e.NewEditIndex].Value.ToString()); gridview(rowcommand)在GridView的DataKey属性上加上你所绑定数据的主键字段名,即可 如果你现在在Gridview1_RowDataBound(object sender, GridViewRowEventArgs e)事件中获取主键，那么：Gridview1.DataKeys[e.Row.RowIndex][0]。 如果你在Gridview1_RowCommand事件中获取主键，那么：Gridview1.DataKeys[Convert.ToInt32(e.CommandArgument)][0] datagrid_itemcommand: Dim ID As String = Me.datagrid1.dataKeys(e.item.itemIndex).toString()              

转载于:https://www.cnblogs.com/innovate-asp/archive/2007/11/13/958363.html

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