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ButtonFieldBase.ButtonType Property

Gets or sets the button type to display in the button field.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)
public virtual ButtonType ButtonType { get; set; }

Property Value

Type: System.Web.UI.WebControls.ButtonType
One of the ButtonType values. The default is ButtonType.Link.
ExceptionCondition
ArgumentOutOfRangeException

The value for the ButtonType property is not one of the ButtonType values.

Use the ButtonType property to specify which type of button is displayed in a button field. The following table lists the available button types.

Button type value

Displays as

Button

A button control.

Image

A button with an image.

Link

A link.

The value of this property is stored in view state.

The following code example demonstrates how to use the ButtonType property to specify that buttons are displayed in the ButtonField object of a GridView control.

<%@ Page language="C#" %>

<script runat="server">

  void AuthorsGridView_RowCommand(Object sender, GridViewCommandEventArgs e)
  {

    // If multiple ButtonField column fields are used, use the
    // CommandName property to determine which button was clicked.
    if(e.CommandName=="Select")
    {

      // Convert the row index stored in the CommandArgument
      // property to an Integer.
      int index = Convert.ToInt32(e.CommandArgument);    

      // Get the last name of the selected author from the appropriate
      // cell in the GridView control.
      GridViewRow selectedRow = AuthorsGridView.Rows[index];
      TableCell lastNameCell = selectedRow.Cells[1];
      string lastName = lastNameCell.Text;  

      // Display the selected author.
      Message.Text = "You selected " + lastName + ".";

    }

  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>ButtonFieldBase ButtonType Example</title>
</head>
<body>
  <form id="form1" runat="server">
  <div>

    <h3>ButtonFieldBase ButtonType Example</h3>

    <asp:label id="Message"
      forecolor="Red"
      runat="server"
      AssociatedControlID="AuthorsGridView" />

    <!-- Populate the Columns collection declaratively. -->
    <asp:gridview id="AuthorsGridView" 
      datasourceid="AuthorsSqlDataSource" 
      autogeneratecolumns="false"
      onrowcommand="AuthorsGridView_RowCommand" 
      runat="server">

      <columns>
        <asp:buttonfield buttontype="Button" 
          commandname="Select"
          headertext="Select Author" 
          text="Select"/>
        <asp:boundfield datafield="au_lname" 
          headertext="Last Name"/>
        <asp:boundfield datafield="au_fname" 
          headertext="First Name"/>
      </columns>

    </asp:gridview>

    <!-- This example uses Microsoft SQL Server and connects -->
    <!-- to the Pubs sample database. -->
    <asp:sqldatasource id="AuthorsSqlDataSource"  
      selectcommand="SELECT [au_lname], [au_fname] FROM [authors]"
      connectionstring="server=localhost;database=pubs;integrated security=SSPI"
      runat="server">
    </asp:sqldatasource>

  </div>
  </form>
</body>
</html>

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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