Edit

Share via


ButtonFieldBase.ButtonType Property

Definition

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

public virtual System.Web.UI.WebControls.ButtonType ButtonType { get; set; }

Property Value

One of the ButtonType values. The default is ButtonType.Link.

Exceptions

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

Examples

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>

Remarks

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.

Applies to

Product Versions
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

See also