protected void BtnDeleteRequest_ServerClick(object sender, EventArgs e)
 {
     SourceRequests.Delete();
     GvwRequests.DataBind();
     ScriptManager.RegisterStartupScript(BtnDeleteRequest, GetType(), "DeleteRequestModal",
                                         @"$('#DeleteRequestModal').modal('hide');", true);
 }
        protected void BtnSearchRequestGrid_Click(object sender, EventArgs e)
        {
            if (TbxSearchRequestGrid.Text != string.Empty)
            {
                string h_requestor = CleanString(TbxSearchRequestGrid.Text);
                SourceRequests.SelectCommand = "SELECT * FROM RentalRequestDetails WHERE " +
                                               $"CONTAINS(accountOwner,'\"{h_requestor}*\"') " +
                                               $"OR CONTAINS(title,'\"{h_requestor}*\"') " +
                                               $"OR CONTAINS(fullName,'\"{h_requestor}*\"') " +
                                               $"OR CONTAINS(ISBN,'\"{h_requestor}*\"')";
            }

            GvwRequests.DataBind();
        }