DataControlField.HeaderImageUrl Properti
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Mendapatkan atau mengatur URL gambar yang ditampilkan di item header bidang kontrol data.
public:
virtual property System::String ^ HeaderImageUrl { System::String ^ get(); void set(System::String ^ value); };
public virtual string HeaderImageUrl { get; set; }
member this.HeaderImageUrl : string with get, set
Public Overridable Property HeaderImageUrl As String
Nilai Properti
String yang mewakili URL yang sepenuhnya memenuhi syarat atau relatif ke gambar yang ditampilkan dalam item header .DataControlField
Contoh
Contoh kode berikut menunjukkan cara mengatur HeaderImageUrl properti ButtonField kolom secara deklaratif, yang menampilkan gambar di GridView header kolom kontrol alih-alih teks header.
<%@ 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>
Keterangan
Atur HeaderImageUrl properti saat Anda ingin gambar ditampilkan di item header kontrol data alih-alih teks header.
Nota
HeaderText Jika properti dan HeaderImageUrl diatur, HeaderImageUrl properti memiliki prioritas.