protected void btnShow_Click(object sender, EventArgs e) { DataTable dtBloodGroup = objEmpInfo.GetEmployeeInfo(txtEmpId.Text.Trim(), ddlDistrict.SelectedValue.Trim(), ddlBloodGroup.SelectedValue.Trim(), ddlEmpStatus.SelectedValue.Trim(), ddlEmpType.SelectedValue.Trim(), "", ""); grBloodGroup.DataSource = dtBloodGroup; grBloodGroup.DataBind(); this.FormatGridView(); }