GridView.BackImageUrl 属性
定义
重要
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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
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。