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CheckBoxList.CellSpacing Property

Gets or sets the distance (in pixels) between cells.

[Visual Basic]
Public Overridable Property CellSpacing As Integer
[C#]
public virtual int CellSpacing {get; set;}
[C++]
public: __property virtual int get_CellSpacing();
public: __property virtual void set_CellSpacing(int);
[JScript]
public function get CellSpacing() : int;
public function set CellSpacing(int);

Property Value

The distance (in pixels) between cells. The default is -1, which indicates that this property is not set.

Remarks

Use this property to control the spacing between individual cells in the CheckBoxList control. This property is applied both vertically and horizontally.

Example

[Visual Basic, C#, JScript] The following example demonstrates how to use the CellSpacing property to specify that the cell spacing for the CheckBoxList control is 5 pixels.

[Visual Basic] 
<%@ Page Language="VB" AutoEventWireup="True" %>
<html>
<head>

<script language="VB" runat="server">

   Sub Check_Clicked(sender As Object, e As EventArgs)
      Dim i As Integer
      Message.Text = "Selected Item(s):<br><br>"
      For i=0 To checkboxlist1.Items.Count - 1
         If checkboxlist1.Items(i).Selected Then
            Message.Text += checkboxlist1.Items(i).Text + "<br>"
         End If
      Next
   End Sub

</script>
 
</head>
<body>
   
   <form action="checkboxlist.aspx" method="post" runat="server">
 
      <h3>CheckBoxList Example</h3>

      <asp:CheckBoxList id="checkboxlist1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Flow"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br><br>

      <asp:label id="Message" runat="server"/>
             
   </form>
          
</body>
</html>

[C#] 
<%@ Page Language="C#" AutoEventWireup="True" %>
<html>
<head>

<script language="C#" runat="server">

   void Check_Clicked(Object sender, EventArgs e) 
   {
      Message.Text = "Selected Item(s):<br><br>";
      for (int i=0; i<checkboxlist1.Items.Count; i++)
      {
         if (checkboxlist1.Items[i].Selected)
            Message.Text += checkboxlist1.Items[i].Text + "<br>";
      }
   }

</script>
 
</head>
<body>
   
   <form action="checkboxlist.aspx" method="post" runat="server">
 
      <h3>CheckBoxList Example</h3>

      <asp:CheckBoxList id="checkboxlist1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Flow"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br><br>

      <asp:label id="Message" runat="server"/>
             
   </form>
          
</body>
</html>

[JScript] 
<%@ Page Language="JScript" AutoEventWireup="True" %>
<html>
<head>

<script language="JScript" runat="server">

   function Check_Clicked(sender : Object, e : EventArgs) 
   {
      Message.Text = "Selected Item(s):<br><br>";
      for (var i : int = 0; i<checkboxlist1.Items.Count; i++)
      {
         if (checkboxlist1.Items[i].Selected)
            Message.Text += checkboxlist1.Items[i].Text + "<br>";
      }
   }

</script>
 
</head>
<body>
   
   <form action="checkboxlist.aspx" method="post" runat="server">
 
      <h3>CheckBoxList Example</h3>

      <asp:CheckBoxList id="checkboxlist1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Flow"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br><br>

      <asp:label id="Message" runat="server"/>
             
   </form>
          
</body>
</html>

[Visual Basic] 

<%@ Page Language="VB" AutoEventWireup="True" %>

<html>

<head>

   <script runat="server">

      Sub Check_Clicked(sender as Object, e As EventArgs) 

         Message.Text = "Selected Item(s):<br><br>"

         ' Iterate through the Items collection of the CheckBoxList 
         ' control and display the selected items.
         Dim i As Integer

         For i=0 To checkboxlist1.Items.Count - 1

            If checkboxlist1.Items(i).Selected Then

               Message.Text &= checkboxlist1.Items(i).Text & "<br>"

            End If

         Next

      End Sub

      Sub Index_Change(sender as Object, e As EventArgs) 

         ' Set the cell padding and cell spacing based on the selection
         ' from the drop down-list controls. Notice that cell padding and 
         ' cell spacing only applies when the RepeatLayout property is set
         ' to RepeatLayout.Table.
         checkboxlist1.CellPadding = CellPaddingList.SelectedIndex
         checkboxlist1.CellSpacing = CellSpacingList.SelectedIndex

      End Sub

   </script>
 
</head>

<body>
   
   <form runat="server">
 
      <h3> CheckBoxList CellPadding and CellSpacing Example </h3>

      Select items from the CheckBoxList.

      <br><br>

      <asp:CheckBoxList id="checkboxlist1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Table"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br><br>

      <asp:label id="Message" runat="server"/>

      <hr>

      Select different values for the cell padding and cell spacing.

      <table cellpadding="5">

         <tr>

            <td>

               CellPadding:

            </td>

            <td>

               CellSpacing:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="CellPaddingList"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem>0</asp:ListItem>
                  <asp:ListItem>1</asp:ListItem>
                  <asp:ListItem>2</asp:ListItem>
                  <asp:ListItem>3</asp:ListItem>
                  <asp:ListItem>4</asp:ListItem>
                  <asp:ListItem Selected="True">5</asp:ListItem>

               </asp:DropDownList>

            </td>

            <td>

               <asp:DropDownList id="CellSpacingList"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem>0</asp:ListItem>
                  <asp:ListItem>1</asp:ListItem>
                  <asp:ListItem>2</asp:ListItem>
                  <asp:ListItem>3</asp:ListItem>
                  <asp:ListItem>4</asp:ListItem>
                  <asp:ListItem Selected="True">5</asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

      </table>
             
   </form>
          
</body>

</html>


[C#] 

<%@ Page Language="C#" AutoEventWireup="True" %>

<html>

<head>

   <script runat="server">

      void Check_Clicked(Object sender, EventArgs e) 
      {

         Message.Text = "Selected Item(s):<br><br>";

         // Iterate through the Items collection of the CheckBoxList 
         // control and display the selected items.
         for (int i=0; i<checkboxlist1.Items.Count; i++)
         {

            if (checkboxlist1.Items[i].Selected)
            {

               Message.Text += checkboxlist1.Items[i].Text + "<br>";

            }

         }

      }

      void Index_Change(Object sender, EventArgs e) 
      {

         // Set the cell padding and cell spacing based on the selection
         // from the drop-down list controls. Notice that cell padding and 
         // cell spacing only applies when the RepeatLayout property is set
         // to RepeatLayout.Table.
         checkboxlist1.CellPadding = CellPaddingList.SelectedIndex;
         checkboxlist1.CellSpacing = CellSpacingList.SelectedIndex;

      }

   </script>
 
</head>

<body>
   
   <form runat="server">
 
      <h3> CheckBoxList CellPadding and CellSpacing Example </h3>

      Select items from the CheckBoxList.

      <br><br>

      <asp:CheckBoxList id="checkboxlist1" 
           AutoPostBack="True"
           CellPadding="5"
           CellSpacing="5"
           RepeatColumns="2"
           RepeatDirection="Vertical"
           RepeatLayout="Table"
           TextAlign="Right"
           OnSelectedIndexChanged="Check_Clicked"
           runat="server">
 
         <asp:ListItem>Item 1</asp:ListItem>
         <asp:ListItem>Item 2</asp:ListItem>
         <asp:ListItem>Item 3</asp:ListItem>
         <asp:ListItem>Item 4</asp:ListItem>
         <asp:ListItem>Item 5</asp:ListItem>
         <asp:ListItem>Item 6</asp:ListItem>
 
      </asp:CheckBoxList>
 
      <br><br>

      <asp:label id="Message" runat="server"/>

      <hr>

      Select different values for the cell padding and cell spacing.

      <table cellpadding="5">

         <tr>

            <td>

               CellPadding:

            </td>

            <td>

               CellSpacing:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="CellPaddingList"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem>0</asp:ListItem>
                  <asp:ListItem>1</asp:ListItem>
                  <asp:ListItem>2</asp:ListItem>
                  <asp:ListItem>3</asp:ListItem>
                  <asp:ListItem>4</asp:ListItem>
                  <asp:ListItem Selected="True">5</asp:ListItem>

               </asp:DropDownList>

            </td>

            <td>

               <asp:DropDownList id="CellSpacingList"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Index_Change"
                    runat="server">

                  <asp:ListItem>0</asp:ListItem>
                  <asp:ListItem>1</asp:ListItem>
                  <asp:ListItem>2</asp:ListItem>
                  <asp:ListItem>3</asp:ListItem>
                  <asp:ListItem>4</asp:ListItem>
                  <asp:ListItem Selected="True">5</asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>

      </table>
             
   </form>
          
</body>

</html>

[C++] No example is available for C++. To view a Visual Basic, C#, or JScript example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family

See Also

CheckBoxList Class | CheckBoxList Members | System.Web.UI.WebControls Namespace | CellPadding

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