void BindData1() { ClassGradLev gl = new ClassGradLev(); DataTable dt = gl.GetGradLevSearch(txtSearchGradLevID.Text, txtSearchGradLevName.Text); GridView1.DataSource = dt; GridView1.DataBind(); SetViewState(dt); }
protected void btnSearchGradLev_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(txtSearchGradLevID.Text) && string.IsNullOrEmpty(txtSearchGradLevName.Text)) { ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('กรุณากรอก คำค้นหา')", true); return; } else { ClassGradLev gl = new ClassGradLev(); DataTable dt = gl.GetGradLevSearch(txtSearchGradLevID.Text, txtSearchGradLevName.Text); GridView1.DataSource = dt; GridView1.DataBind(); SetViewState(dt); } }