题
这不会执行分隔符(它在确认对话框中逐字显示)。为什么不?另外,该变量是在代码隐藏中设置的,但在调用 PreRender 时已准备就绪,所以我应该没问题吧?
<asp:LinkButton ... OnClientClick=
"return confirm('Are you sure you want to remove Contract
Period <%= ContractPeriod_N.Text %>?');" />
解决方案
尝试在代码做后面:
theLinkButton.OnClientClick =
"return confirm('Are you sure you want to remove Contract Period " +
Server.HtmlEncode(ContractPeriod_N.Text) + "?');";
其他提示
您需要设置属性,以便它是所有从一个渲染块或完全进行。让这个尝试
<asp:LinkButton ... OnClientClick=
"<%= "return confirm('Are you sure you want to remove Contract
Period " + ContractPeriod_N.Text + "?');" %>" />
当然它不执行。这是在一个字符串的中间。如果你想有一个字符串的<%
文本什么会做的地方?
请参阅我对另一个问题的回答 这里. 。我相信您可以使用类似于的自定义 ExpressionBuilder 来完成您想要的事情
/// <summary>
/// An Expression Builder for inserting raw code elements into ASP.NET markup.
/// Code obtained from: http://weblogs.asp.net/infinitiesloop/archive/2006/08/09/The-CodeExpressionBuilder.aspx
/// </summary>
[ExpressionPrefix("Code")]
public class CodeExpressionBuilder : ExpressionBuilder
{
/// <summary>
/// Inserts the evaluated code directly into the markup.
/// </summary>
/// <param name="entry">Provides information about the expression and where it was applied.</param>
/// <param name="parsedData">Unused parameter.</param>
/// <param name="context">Unused paramter.</param>
/// <returns>A <see cref="CodeExpression"/>.</returns>
public override CodeExpression GetCodeExpression(BoundPropertyEntry entry, object parsedData, ExpressionBuilderContext context)
{
return new CodeSnippetExpression(entry.Expression);
}
}
您的标记将如下所示:
<asp:LinkButton ... OnClientClick=
"return confirm('Are you sure you want to remove Contract
Period <%$ Code: ContractPeriod_N.Text %>?');" />
如果您使用的数据绑定然后可以将其设置这种方式
<asp:LinkButton runat="server" Text="Hello" OnClientClick='<%# String.Format("return confirm(\"Are you sure you want to remove Contract Period {0}?\");", ContractPeriod_N.Text) %>' />
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