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BaseDataList.GridLines Property

Gets or sets a value that specifies whether the border between the cells of a data listing control is displayed.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

public virtual GridLines GridLines { get; set; }
<asp:BaseDataList GridLines="GridLines" />

Property Value

Type: System.Web.UI.WebControls.GridLines
One of the GridLines values. The default value is Both.

Use the GridLines property to specify whether the border between the cells of a data listing control is displayed. This property is set with one of the GridLines enumeration values. The following table lists the possible values.




No cell border is displayed.


Only the upper and lower borders of the cells in a data listing control are displayed.


Only the left and right borders of the cells in the data list control are displayed.


All borders of the cells in a data listing control are displayed.

The following code example demonstrates how to use the GridLines property to display both the horizontal and vertical gridlines in a data-bound control.

<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<html xmlns="" >
   <script runat="server">

      ICollection CreateDataSource() 

         // Create sample data for the DataGrid control.
         DataTable dt = new DataTable();
         DataRow dr;

         // Define the columns of the table.
         dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
         dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
         dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));

         // Populate the table with sample values.
         for (int i = 0; i < 9; i++) 
            dr = dt.NewRow();

            dr[0] = i;
            dr[1] = "Item " + i.ToString();
            dr[2] = 1.23 * (i + 1);


         DataView dv = new DataView(dt);
         return dv;

      void Page_Load(Object sender, EventArgs e) 

         // Load sample data only once when the page is first loaded.
         if (!IsPostBack) 
            ItemsGrid.DataSource = CreateDataSource();


      void Index_Change(Object sender, EventArgs e) 

         ItemsGrid.GridLines = (GridLines)GridLinesList.SelectedIndex;



<head runat="server">
    <title>BaseDataList GridLines Example</title>

   <form id="form1" runat="server">

      <h3>BaseDataList GridLines Example</h3>

      <asp:DataGrid id="ItemsGrid"

         <HeaderStyle BackColor="#00aaaa">


      <br />

      <h4>Select the gridline style:</h4>

            <table cellpadding="5">



               Gridline style:





               <asp:DropDownList id="GridLinesList"

                  <asp:ListItem Value="0">None</asp:ListItem>
                  <asp:ListItem Value="1">Horizontal</asp:ListItem>
                  <asp:ListItem Value="2">Vertical</asp:ListItem>
                  <asp:ListItem Value="3" Selected="True">Both</asp:ListItem>







.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.