CommandField.DeleteImageUrl 属性

定义

获取或设置为 CommandField 字段中的“删除”按钮显示的图像的 URL。

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

属性值

CommandField 中的“删除”按钮显示的图像的 URL。 默认值为空字符串 (""),表示尚未设置此属性。

示例

下面的代码示例演示如何使用 DeleteImageUrl 属性指定要为控件字段中 CommandFieldGridView “删除”按钮显示的自定义图像。 属性 ButtonType 必须设置为 ButtonType.Image ,“删除”按钮才能显示图像。


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

      <asp:gridview id="CustomersGridView" 
        datasourceid="CustomersSqlDataSource" 
        autogeneratecolumns="false"
        datakeynames="CustomerID"  
        runat="server">
        
        <columns>
          <asp:commandfield showdeletebutton="true"
            buttontype="Image"
            deleteimageurl="~\Images\DeleteImage.jpg"
            headertext="Edit Controls"/>
          <asp:boundfield datafield="CustomerID"
            headertext="Customer ID" />
          <asp:boundfield datafield="CompanyName"
            headertext="Company Name"/>
          <asp:boundfield datafield="Address"
            headertext="Address"/>
          <asp:boundfield datafield="City"
            headertext="City"/>
          <asp:boundfield datafield="PostalCode"
            headertext="ZIP Code"/>
          <asp:boundfield datafield="Country"
            headertext="Country"/>
        </columns>
        
      </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="CustomersSqlDataSource"  
        selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
        deletecommand="Delete [Customers] Where [CustomerID] = @CustomerID"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>"
        runat="server">
      </asp:sqldatasource>
            
    </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>CommandField Example</title>
</head>
<body>
    <form id="form1" runat="server">
      
      <h3>CommandField Example</h3>

      <asp:gridview id="CustomersGridView" 
        datasourceid="CustomersSqlDataSource" 
        autogeneratecolumns="false"
        datakeynames="CustomerID"  
        runat="server">
        
        <columns>
          <asp:commandfield showdeletebutton="true"
            buttontype="Image"
            deleteimageurl="~\Images\DeleteImage.jpg"
            headertext="Edit Controls"/>
          <asp:boundfield datafield="CustomerID"
            headertext="Customer ID" />
          <asp:boundfield datafield="CompanyName"
            headertext="Company Name"/>
          <asp:boundfield datafield="Address"
            headertext="Address"/>
          <asp:boundfield datafield="City"
            headertext="City"/>
          <asp:boundfield datafield="PostalCode"
            headertext="ZIP Code"/>
          <asp:boundfield datafield="Country"
            headertext="Country"/>
        </columns>
        
      </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="CustomersSqlDataSource"  
        selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]"
        deletecommand="Delete [Customers] Where [CustomerID] = @CustomerID"
        connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>"
        runat="server">
      </asp:sqldatasource>
            
    </form>
  </body>
</html>

注解

ButtonType当字段的 CommandField 属性设置为 ButtonType.Image时,DeleteImageUrl使用 属性指定要为“删除”按钮显示的图像。 此图像可以是任何文件格式 (.jpg、.gif、.bmp等) ,只要客户端的浏览器支持该格式。

注意

作为显示“删除”按钮的图像的替代方法,可以先将 属性设置为 ButtonTypeButtonType.ButtonButtonType.Link ,然后设置 DeleteText 属性来显示文本。

适用于

另请参阅