protected void AdjVouGridView_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            string status = (string)ViewState["status"];

            AdjVouGridView.DataSource = AdjustmentBizLogic.ListVouchers(status);
            AdjVouGridView.PageIndex  = e.NewPageIndex;
            AdjVouGridView.DataBind();
        }
        protected void ViewButton_Click(object sender, EventArgs e)
        {
            AdjVouDetailsGridView.Visible = false;
            ApproveButton.Visible         = false;
            RejectButton.Visible          = false;
            RemarkTextBox.Visible         = false;
            Label3.Visible = false;
            string status = StatusRadioButtonList.SelectedValue;

            AdjVouGridView.DataSource = AdjustmentBizLogic.ListVouchers(status);
            AdjVouGridView.DataBind();
            if (AdjVouGridView.Rows.Count == 0)
            {
                ScriptManager.RegisterStartupScript(this, this.GetType(), "alert", "alert('No Vouchers');window.location ='ManagerAdjVou.aspx';", true);
            }
        }