需求现象:在RowCommand事件中获取该行DataKey值,以便编辑改行相应的数据;
解决方案:
1)模板列中的LinkButton ,需要绑定其CommandArgument='<%# Bind("ID") %>',然后在RowCommand事件中获取
绑定:
<asp:TemplateField >
<HeaderTemplate>
<asp:LinkButton ID="deleteSelect" Text="删除选中" CommandName="DeleteSelect" runat="server"></asp:LinkButton>
</HeaderTemplate>
<ItemTemplate>
<asp:LinkButton ID="delete" Text="删除" CommandName="DeleteRow" CommandArgument='<%# Bind("ID") %>' runat="server" ></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
获取:
string ID = e.CommandArgument.ToString();
2)非模板列的ButtonField,不需要绑定其CommandArgument,就可以获取
绑定:
<asp:ButtonField CommandName="showprodorder" HeaderText="查看" Text="删除" >
<ItemStyle Width="60px" />
</asp:ButtonField>
获取:
int rowNumber = Convert.ToInt32(e.CommandArgument);
string ID = dg.DataKeys[rowNumber].Value.ToString();