[英]How do I get the HTML encoding to work in my ASPX page?
我在asp Gridvidiew中有以下代碼:
<asp:HyperLink ID="hlPSTNNum" CssClass="OrdRef" Text='<%# DataBinder.Eval(Container.DataItem, "PSTNNum")%>' runat="server" ToolTip='please click here to view the full record details'
NavigateUrl='<%#"https://THE URL IS HERE Searches/advancedsearchresults.asp?supplierid=" + Eval("Supplierid") + "&display1=IS%20Number&display2=Supplier&display3=Product&display4=Supplier%20Order%20Number&order1=order%20date&pstnnum=" + Eval("PSTNNum")%>' />
我認為Visual Studio 2012正在查詢字符串部分中的分號(來自“ pstnnum =“ + Eval(” PSTNNum“)%>'/>”),我嘗試使用\\進行轉義(這使VS感到高興),但瀏覽器在每次轉義時都保留一個斜杠。
不確定此處的最佳做法,因為即時通訊仍在割傷我的代碼...
我認為更合適的方法是這樣的:
<asp:HyperLink ID="hlPSTNNum"
CssClass="OrdRef"
Text='<%# DataBinder.Eval(Container.DataItem, "PSTNNum")%>'
runat="server"
ToolTip='please click here to view the full record details'
NavigateUrl='<%#Server.HtmlEncode("https://THE URL IS HERE Searches/advancedsearchresults.asp?supplierid=" + Eval("Supplierid") + "&display1=IS Number&display2=Supplier&display3=Product&display4=Supplier Order Number&order1=order date&pstnnum=" + Eval("PSTNNum"))%>' />
請注意使用Server.HtmlEncode
,然后使用所需的實際值,而不是直接編碼的值。 這將使在Visual Studio中的構建變得容易,但是要確保在渲染時對其進行編碼。
在對Microsoft的代碼進行了更多研究之后,我發現HyperLink
類的基本RenderContents
方法將為您對此進行編碼。 該方法在內部調用另一個名為ResolveClientUrl
,如下所示:
public string ResolveClientUrl(string relativeUrl)
{
if (this.DesignMode && this.Page != null && this.Page.Site != null)
{
IUrlResolutionService urlResolutionService = (IUrlResolutionService)this.Page.Site.GetService(typeof(IUrlResolutionService));
if (urlResolutionService != null)
{
return urlResolutionService.ResolveClientUrl(relativeUrl);
}
}
if (relativeUrl == null)
{
throw new ArgumentNullException("relativeUrl");
}
string virtualPathString = VirtualPath.GetVirtualPathString(this.TemplateControlVirtualDirectory);
if (string.IsNullOrEmpty(virtualPathString))
{
return relativeUrl;
}
string text = this.Context.Request.ClientBaseDir.VirtualPathString;
if (!UrlPath.IsAppRelativePath(relativeUrl))
{
if (StringUtil.EqualsIgnoreCase(text, virtualPathString))
{
return relativeUrl;
}
if (relativeUrl.Length == 0 || !UrlPath.IsRelativeUrl(relativeUrl))
{
return relativeUrl;
}
}
string to = UrlPath.Combine(virtualPathString, relativeUrl);
text = UrlPath.AppendSlashToPathIfNeeded(text);
return HttpUtility.UrlPathEncode(UrlPath.MakeRelative(text, to));
}
由於您的網址不是相對的,因此它應該一直排在最后一行,即return
語句的最后一行,所以說實話,您根本不需要對它進行編碼。 這會將您的代碼更改為此:
<asp:HyperLink ID="hlPSTNNum"
CssClass="OrdRef"
Text='<%# DataBinder.Eval(Container.DataItem, "PSTNNum")%>'
runat="server"
ToolTip='please click here to view the full record details'
NavigateUrl='<%#"https://THE URL IS HERE Searches/advancedsearchresults.asp?supplierid=" + Eval("Supplierid") + "&display1=IS Number&display2=Supplier&display3=Product&display4=Supplier Order Number&order1=order date&pstnnum=" + Eval("PSTNNum")%>' />
不能100%確定這是否可行,但是asp.net 4.5的<%#:自動編碼。 您可以嘗試一下,看看是否可行,只需將<%#更改為<%#:
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