GridView.ShowHeader Propriedade
Definição
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
Valor da propriedade
true para exibir a linha de cabeçalho; caso contrário, false.true to display the header row; otherwise, false. O padrão é true.The default is true.
Exemplos
O exemplo a seguir demonstra como usar a ShowHeader propriedade para exibir a linha de cabeçalho em um GridView controle.The following example demonstrates how to use the ShowHeader property to display the header row in a GridView control.
<%@ 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>
Comentários
Use a ShowHeader propriedade para especificar se um GridView controle exibe a linha de cabeçalho.Use the ShowHeader property to specify whether a GridView control displays the header row. Para controlar a aparência da linha de cabeçalho, use a HeaderStyle propriedade.To control the appearance of the header row, use the HeaderStyle property.