Question

如何点击按钮获取gridview中的某一列的值！

Answer 1

要将gridview的列转换成模板。。。。
这样才方便取值
取值方法如下：
string id = (GridView1.Rows[e.RowIndex].FindControl("TextBox2") as TextBox).Text;
为什么是textbox
将gridview的列转换成模板以后，你在VS里面查看源代码，看你的gridview，就知道为什么了

Answer 2

前台Gridview中：
<ItemTemplate>
<asp:LinkButton ID="LinkButton2" runat="server" CommandName="MyCommandList" CommandArgument='<%#Eval("MacID")%>'
OnClientClick="return Show()" Text='<%# Eval("Day_StartShut")%>' ></asp:LinkButton>
</ItemTemplate>

后台方法：
if (e.CommandName == "MyCommandList")
{
LinkButton btn = (LinkButton)e.CommandSource;
GridViewRow row = (GridViewRow)btn.Parent.Parent;
string MacID = e.CommandArgument.ToString();

string sql = "SELECT MacID,Day_StartUp,Day_ShutDown,ABS(Day_StartUp-Day_ShutDown) AS Day_StartShut,col_date";
sql += " From DW10048 WHERE (col_date>='" + txtStartDay.Value + "' and col_date <='" + txtEndDay.Value + "') and macid = '" + MacID + "'";
sql +=" order by col_date desc";

DataTable dtlist = l_Help.GetDataTable(sql);

DataView view = dtlist.DefaultView;

GvList1.DataSource = view;
GvList1.DataBind();

}
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Answer 3

this.GridView1.Rows[e.NewEditIndex].Cells[0].Text