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DataControlField.HeaderStyle Propriedade

  • Referência

Definição

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.dll

Obtém ou define o estilo do cabeçalho do campo de controle de dados.

public:
 property System::Web::UI::WebControls::TableItemStyle ^ HeaderStyle { System::Web::UI::WebControls::TableItemStyle ^ get(); };
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)]
public System.Web.UI.WebControls.TableItemStyle HeaderStyle { get; }
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerProperty)>]
member this.HeaderStyle : System.Web.UI.WebControls.TableItemStyle
Public ReadOnly Property HeaderStyle As TableItemStyle

Valor da propriedade

TableItemStyle

Um TableItemStyle que rege a aparência do item de cabeçalho DataControlField.

Atributos
PersistenceModeAttribute

Exemplos

O exemplo de código a seguir demonstra como definir declarativamente a HeaderStyle propriedade de uma HyperLinkField coluna, que exibe uma cor de tela de fundo amarela para o cabeçalho da coluna no GridView controle.

<%@ page language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
  <form id="form1" runat="server">
    <asp:sqldatasource
      id="SqlDataSource1"
      runat="server"
      connectionstring="<%$ ConnectionStrings:MyNorthwind%>"
      selectcommand="SELECT EmployeeID, FirstName, LastName, Title, Region FROM Employees">
    </asp:sqldatasource>

    <asp:gridview
      id="GridView1"
      runat="server"
      allowpaging="True"
      datasourceid="SqlDataSource1"
      allowsorting="True"
      width="472px">
        <columns>

          <asp:buttonfield
            headerimageurl="http://www.microsoft.com/homepage/gif/bnr-microsoft.gif"
            text="ClickMe"
            showheader="True"
            buttontype="Button">
          </asp:buttonfield>

        <asp:hyperlinkfield
          target="http://msdn.microsoft.com/"
          headertext="Link To Info"
          text="MyLink">
            <headerstyle backcolor="Yellow">
            </headerstyle>
        </asp:hyperlinkfield>

      </columns>
    </asp:gridview>

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

<%@ page language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
  <form id="form1" runat="server">
    <asp:sqldatasource
      id="SqlDataSource1"
      runat="server"
      connectionstring="<%$ ConnectionStrings:MyNorthwind%>"
      selectcommand="SELECT EmployeeID, FirstName, LastName, Title, Region FROM Employees">
    </asp:sqldatasource>

    <asp:gridview
      id="GridView1"
      runat="server"
      allowpaging="True"
      datasourceid="SqlDataSource1"
      allowsorting="True"
      width="472px">
        <columns>

          <asp:buttonfield
            headerimageurl="http://www.microsoft.com/homepage/gif/bnr-microsoft.gif"
            text="ClickMe"
            showheader="True"
            buttontype="Button">
          </asp:buttonfield>

        <asp:hyperlinkfield
          target="http://msdn.microsoft.com/"
          headertext="Link To Info"
          text="MyLink">
            <headerstyle backcolor="Yellow">
            </headerstyle>
        </asp:hyperlinkfield>

      </columns>
    </asp:gridview>

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

Comentários

A HeaderStyle propriedade rege a aparência de qualquer texto exibido no item de cabeçalho de um tipo derivado.DataControlField O aplicativo mais comum da HeaderStyle propriedade é alterar o estilo dos cabeçalhos de coluna em um GridView controle.

Aplica-se a

Confira também