GridView的RowCommand事件中取得行索引_commandargument 获得 index 总是等于 0-优快云博客

本文链接：https://blog.youkuaiyun.com/sws8327/article/details/1600718

本文介绍如何在ASP.NET中使用GridView控件添加带有CommandName的Button，并在后台通过RowCommand事件获取点击按钮所在行的数据索引及DataKey值。

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前台添加一模版列,里面添加一个Button
<asp:TemplateField HeaderText="测试">
                                  <ItemTemplate>
                                      <asp:Button ID="Button1" CommandName="btn" runat="server" Style="position: relative" Text="Button" />
                                  </ItemTemplate>
                              </asp:TemplateField>

后台

protected void gv_Company_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "btn")
        {
            int index = Convert.ToInt32(e.CommandArgument);
            DataKey key = this.gv_Company.DataKeys[index];
            string tt = key.Value.ToString();

            Response.Write(tt);
        }
    }

    //行数据绑定
    protected void gv_Company_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            Button bt = new Button();
            bt = (Button)e.Row.Cells[6].FindControl("Button1");
            bt.CommandArgument = e.Row.RowIndex.ToString();
        }
    }

第二种方式:
int index = ((GridViewRow)(((LinkButton)(e.CommandSource)).Parent.Parent)).RowIndex;