public void Render(ViewContext viewContext, TextWriter writer)
{
Page page = new Page();
Control ctl = page.LoadControl(ViewPath);
if (ctl == null)
{
throw new InvalidOperationException(string.Format("指定的用户控件 {0} 没有找到。", ViewPath));
}
// 将用户控件放在Page容器中。
page.Controls.Add(ctl);
PartialCachingControl mycachectl = ctl as PartialCachingControl;//如果有 写outputcache指令
Control temp = ctl;
if (mycachectl != null)
{
Page_request.FastSetValue(page, viewContext.HttpContext.Request);//将当前的Request 写入当前页面
page.DesignerInitialize();
temp = mycachectl.CachedControl;
}
ViewUserControlBase myctl = temp as ViewUserControlBase;
if (myctl != null)
{
myctl.ViewContext = viewContext;
}
HtmlTextWriter write = new HtmlTextWriter(writer, string.Empty);
page.RenderControl(write);
}
protected override void RenderView(ViewContext viewContext, TextWriter writer, object instance)
{
ViewUserControlBase viewUserControl = instance as ViewUserControlBase;
if (viewUserControl != null)
{
var oldWriter = viewContext.Writer;
viewContext.Writer = writer;
this.RenderViewUserControl(viewContext, viewUserControl);
viewContext.Writer = oldWriter;
}
else
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, "视图:{0}必须派生于ViewUserControl, ViewUserControl<TModel>", new object[]
{
base.ViewPath
}));
}
}
private void RenderViewUserControl(ViewContext context, ViewUserControlBase control)
{
control.ViewContext = context;
control.RenderView(context);
}
public ViewUserControlContainerPage(ViewUserControlBase userControl)
{
this._userControl = userControl;
}