ASP.NET

protected void btnAll_Click(object sender, EventArgs e)
       {

           System.Text.StringBuilder sb = new System.Text.StringBuilder();
           sb.Append("<script language='javascript'>");
           sb.Append("window.open('frmList.aspx', 'MPS Account List',");
           sb.Append("'top=0, left=0, width='500', height='700', menubar=no,toolbar=yes,status,resizable=yes,addressbar=yes');<");
           sb.Append("/script>");

           Type t = this.GetType();

           if (!ClientScript.IsClientScriptBlockRegistered(t, "PopupScript"))
               ClientScript.RegisterClientScriptBlock(t, "PopupScript", sb.ToString());

       }

public void MPS_Selected(Object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Select")
            {

                ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script type='text/javascript'>alert('msg！')</script>");

                // Convert the row index stored in the CommandArgument
                // property to an Integer.
                int index = Convert.ToInt32(e.CommandArgument);
                //Populate textbox with selected values

                //String s = Request.QueryString["grdAll.Rows[index].Cells[1].Text.ToString();"];
                string name = grdAll.Rows[index].Cells[1].Text.ToString();
                string Industry = grdAll.Rows[index].Cells[2].Text.ToString();
                string SubInd = grdAll.Rows[index].Cells[3].Text.ToString();
                string geo = grdAll.Rows[index].Cells[4].Text.ToString();
                string location = grdAll.Rows[index].Cells[5].Text.ToString();

                Page.Response.Redirect("~/WebForm1.aspx?name=" + name + "&industry=" + Industry + "&subind=" + SubInd + "&geo=" + geo + "&location=" + location);


                //HttpContext _context = HttpContext.Current;
                //_context.Items.Add("name", name);
                //Server.Transfer("~/WebForm1.aspx");


            }
        }

SELECT * from usertable WHERE username = 'name to test'