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GridView.ShowHeader Eigenschaft

Definition

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

Dient zum Abrufen oder Festlegen eines Werts, der angibt, ob die Kopfzeile in einem GridView Steuerelement angezeigt wird.

public:
 virtual property bool ShowHeader { bool get(); void set(bool value); };
public virtual bool ShowHeader { get; set; }
member this.ShowHeader : bool with get, set
Public Overridable Property ShowHeader As Boolean

Eigenschaftswert

Boolean

trueum die Kopfzeile anzuzeigen; andernfalls . false Der Standardwert lautet true.

Beispiele

Im folgenden Beispiel wird veranschaulicht, wie die ShowHeader Eigenschaft verwendet wird, um die Kopfzeile in einem GridView Steuerelement anzuzeigen.


<%@ 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>GridView ShowHeader and ShowFooter Example</title>
</head>
<body>
    <form id="form1" runat="server">
        
      <h3>GridView ShowHeader and ShowFooter Example</h3>

      <asp:gridview id="CustomersGridView" 
        datasourceid="CustomersSource" 
        autogeneratecolumns="true"
        emptydatatext="No data available." 
        showheader="true"
        showfooter="true"
        runat="server">
        
        <headerstyle backcolor="LightCyan"
          forecolor="MediumBlue"/>
                    
        <footerstyle backcolor="LightCyan"
          forecolor="MediumBlue"/>
                                    
      </asp:gridview>
            
      <!-- This example uses Microsoft SQL Server and connects  -->
      <!-- to the Northwind sample database. Use an ASP.NET     -->
      <!-- expression to retrieve the connection string value   -->
      <!-- from the Web.config file.                            -->
      <asp:sqldatasource id="CustomersSource"
        selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" 
        runat="server"/>
        
    </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>GridView ShowHeader and ShowFooter Example</title>
</head>
<body>
    <form id="form1" runat="server">
        
      <h3>GridView ShowHeader and ShowFooter Example</h3>

      <asp:gridview id="CustomersGridView" 
        datasourceid="CustomersSource" 
        autogeneratecolumns="true"
        emptydatatext="No data available." 
        showheader="true"
        showfooter="true"
        runat="server">
        
        <headerstyle backcolor="LightCyan"
          forecolor="MediumBlue"/>
                    
        <footerstyle backcolor="LightCyan"
          forecolor="MediumBlue"/>
                                    
      </asp:gridview>
            
      <!-- This example uses Microsoft SQL Server and connects  -->
      <!-- to the Northwind sample database. Use an ASP.NET     -->
      <!-- expression to retrieve the connection string value   -->
      <!-- from the Web.config file.                            -->
      <asp:sqldatasource id="CustomersSource"
        selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" 
        runat="server"/>
        
    </form>
  </body>
</html>

Hinweise

Verwenden Sie die ShowHeader Eigenschaft, um anzugeben, ob ein GridView Steuerelement die Kopfzeile anzeigt. Verwenden Sie die HeaderStyle Eigenschaft, um die Darstellung der Kopfzeile zu steuern.

Gilt für:

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