GridView.BackImageUrl 属性

定义

获取或设置要在 GridView 控件的背景中显示的图像的 URL。

public:
 virtual property System::String ^ BackImageUrl { System::String ^ get(); void set(System::String ^ value); };
public virtual string BackImageUrl { get; set; }
member this.BackImageUrl : string with get, set
Public Overridable Property BackImageUrl As String

属性值

String

要在 GridView 控件的背景中显示的图像的 URL。 默认值为空字符串 (""),表示尚未设置此属性。

示例

以下示例演示如何使用 BackImageUrl 属性在控件的背景 GridView 中显示自定义图像。


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

      <asp:gridview id="CustomersGridView" 
        datasourceid="CustomersSource" 
        autogeneratecolumns="true"
        emptydatatext="No data available." 
        backimageurl="~/images/logo.jpg" 
        runat="server">
                
      </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 BackImageUrl Example</title>
</head>
<body>
    <form id="form1" runat="server">
        
      <h3>GridView BackImageUrl Example</h3>

      <asp:gridview id="CustomersGridView" 
        datasourceid="CustomersSource" 
        autogeneratecolumns="true"
        emptydatatext="No data available." 
        backimageurl="~/images/logo.jpg" 
        runat="server">
                
      </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>

注解

使用 BackImageUrl 属性指定要在控件背景中显示的图像的 GridView URL。

备注

如果指定的图像小于 GridView 控件,则图像将平铺以填充背景。 如果图像大于控件,则裁剪图像。

适用于

另请参阅