/// <summary>
///
/// </summary>
/// <param name="ctr"></param>
/// <returns></returns>
public static ControlRenderMode GetControlRenderMode(Control ctr)
{
PageRenderMode pageRenderMode = WebUtility.GetRequestPageRenderMode();
ControlRenderMode renderMode = new ControlRenderMode(pageRenderMode);
PageRenderModePageCache currentPageCache = PageRenderModeHelper.GetPageRenderModeCache(ctr.Page);
PageRenderModePageCache requestPageCache = renderMode.PageCache;
int currentPageLevel = GetPageLevel(currentPageCache);
string currentPageUniqueID = GetPageUniqueID(currentPageCache);
int requestPageLevel = GetPageLevel(requestPageCache);
string requestPageUniqueID = GetPageUniqueID(requestPageCache);
if (requestPageLevel == currentPageLevel)
{
if (ctr.UniqueID == pageRenderMode.RenderControlUniqueID)
{
renderMode.OnlyRenderSelf = true;
}
}
else if (requestPageLevel > currentPageLevel)
{
string id = requestPageUniqueID.Split(',')[currentPageLevel];
if (ctr.UniqueID == id)
{
renderMode.OnlyRenderSelf = true;
}
}
return(renderMode);
}
/// <summary>
///
/// </summary>
/// <param name="ctr"></param>
/// <param name="renderMode"></param>
public static void CheckOnlyRenderSelf(Control ctr, ControlRenderMode renderMode)
{
if (renderMode.OnlyRenderSelf && renderMode.UseNewPage && ctr.Page.Items[WebUtility.PageRenderControlItemKey] != ctr)
{
Page currentPage = ctr.Page;
ctr.Parent.Controls.GetType().GetMethod("SetCollectionReadOnly", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(ctr.Parent.Controls, new object[1] {
null
});
Page page = new Page();
PageRenderModePageCache currentPageCache = PageRenderModeHelper.GetPageRenderModeCache(currentPage);
PageRenderModePageCache pageCache = PageRenderModeHelper.GetPageRenderModeCache(page);
SetPageLevel(pageCache, GetPageLevel(currentPageCache) + 1);
string currentPageUniqueID = GetPageUniqueID(currentPageCache);
if (currentPageUniqueID != string.Empty)
{
currentPageUniqueID += ",";
}
SetPageUniqueID(pageCache, string.Format("{0}{1}", GetPageUniqueID(currentPageCache), ctr.UniqueID));
page.AppRelativeVirtualPath = ctr.Page.AppRelativeVirtualPath;
page.EnableEventValidation = false;
InitNewPageContent(page, ctr);
WebUtility.AttachPageModules(page);
page.ProcessRequest(HttpContext.Current);
HttpContext.Current.Response.End();
}
}
/// <summary>
/// 根据控件输出模式，输出控件
/// </summary>
/// <param name="ctr">要输出的控件</param>
/// <param name="baseRenderString">控件原输出内容</param>
/// <param name="renderMode">输出模式</param>
/// <remarks>根据控件输出模式，输出控件</remarks>
internal static void RenderControlOnlySelf(Control ctr, string baseRenderString, ControlRenderMode renderMode)
{
HttpResponse response = HttpContext.Current.Response;
response.ClearContent();
response.ContentEncoding = Encoding.UTF8;
response.Charset = "utf-8";
string htmlContentType = WebUtility.GetContentTypeByKey(ResponseContentTypeKey.HTML);
string contentType = WebUtility.GetContentTypeByKey(renderMode.ContentTypeKey);
if (contentType == string.Empty)
{
contentType = htmlContentType;
}
response.ContentType = contentType;
string renderStr = contentType == htmlContentType?
GetRenderSingleControlString(ctr, baseRenderString) :
GetFileRenderSingleControlString(baseRenderString, contentType);
switch (renderMode.DispositionType)
{
case ResponseDispositionType.Inline:
case ResponseDispositionType.Attachment:
response.AppendHeader("CONTENT-DISPOSITION",
string.Format("{0};filename={1}", renderMode.DispositionType, HttpUtility.UrlEncode(renderMode.AttachmentFileName)));
break;
}
response.Write(renderStr);
response.End();
}
