无法将类型为“System.Web.UI.WebControls.Label”的对象强制转换为类型“System.Web.UI.WebControls.Text

Question

     protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            user.UserId = Convert.ToInt32(GridView1.DataKeys[e.RowIndex].Value.ToString());
            user.UserName = ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].FindControl("Label3"))).Text.Trim().ToString();
            user.UserSex = ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].FindControl("Label2"))).Text.Trim().ToString();
            user.UserEmail = ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].FindControl("Label7"))).Text.Trim().ToString();
            user.UserCount = int.Parse(((TextBox)(GridView1.Rows[e.RowIndex].Cells[4].FindControl("Label4"))).Text.Trim().ToString());
            user.UserQuiz = ((TextBox)(GridView1.Rows[e.RowIndex].Cells[5].FindControl("Label5"))).Text.Trim().ToString();
            user.UserKey = ((TextBox)(GridView1.Rows[e.RowIndex].Cells[6].FindControl("Label6"))).Text.Trim().ToString();
            bll.Update(user);
            GridView1.EditIndex = -1;
            DataBind(strWhere);
        }

Answer 1

都提示这么明显了Label不能强制转换成TextBoxuser.UserName = ((Label)(GridView1.Rows[e.RowIndex].Cells[1].FindControl("Label3"))).Text.Trim().ToString();