public static string RenderUserControl(string path, bool useFormLess,
Dictionary<string, string> controlParams, string assemblyName, string controlName,
HttpContext context)
{
System.Web.UI.Page pageHolder = null;
if (useFormLess)
{
pageHolder = new FormlessPage() { AppRelativeTemplateSourceDirectory = HttpRuntime.AppDomainAppVirtualPath }; //needed to resolve "~/"
}
else
{
pageHolder = new System.Web.UI.Page() { AppRelativeTemplateSourceDirectory = HttpRuntime.AppDomainAppVirtualPath };
}
System.Web.UI.UserControl viewControl = null;
//use path by default
if (String.IsNullOrEmpty(path))
{
//load assembly and usercontrol when .ascx is compiled into a .dll
string controlAssemblyName = string.Format("{0}.{1},{0}", assemblyName, controlName);
Type type = Type.GetType(controlAssemblyName);
viewControl = (System.Web.UI.UserControl)pageHolder.LoadControl(type, null);
}
else
{
viewControl = (System.Web.UI.UserControl)pageHolder.LoadControl(path);
}
pageHolder.EnableViewState = false;
viewControl.EnableViewState = false;
if (controlParams != null && controlParams.Count > 0)
{
foreach (var keyValuePair in controlParams)
{
Type viewControlType = viewControl.GetType();
System.Reflection.PropertyInfo property =
viewControlType.GetProperty(keyValuePair.Key);
if (property != null)
{
object value;
DateTime date;
if (property.PropertyType == typeof(bool))
value = bool.Parse(keyValuePair.Value);
else if (property.PropertyType == typeof(Int32))
value = Int32.Parse(keyValuePair.Value);
else if (property.PropertyType == typeof(Guid))
value = new Guid(keyValuePair.Value);
else if (property.PropertyType == typeof(DateTime) && DateTime.TryParse(keyValuePair.Value, out date))
value = date;
else
value = keyValuePair.Value;
try
{
property.SetValue(viewControl, value, null);
}
catch (Exception ex)
{
//need to hook into external logger, throw?
}
}
}
}
string parseIndex = System.Guid.NewGuid().ToString();
if (useFormLess)
{
pageHolder.Controls.Add(viewControl);
}
else
{
System.Web.UI.HtmlControls.HtmlForm form = new System.Web.UI.HtmlControls.HtmlForm();
System.Web.UI.ScriptManager sm = new System.Web.UI.ScriptManager();
sm.EnableCdn = true;
sm.AjaxFrameworkMode = System.Web.UI.AjaxFrameworkMode.Disabled;
System.Web.UI.WebControls.Literal litParseIndex = new System.Web.UI.WebControls.Literal();
litParseIndex.Text = parseIndex;
form.Controls.Add(sm);
form.Controls.Add(litParseIndex);
form.Controls.Add(viewControl);
pageHolder.Controls.Add(form);
}
System.IO.StringWriter output = new System.IO.StringWriter();
context.Server.Execute(pageHolder, output, false);
string renderedContent = output.ToString();
if (renderedContent.Contains("<form method=")) //have to have a form and scriptmananger to render sometimes but we don't want it on the client
{
renderedContent = renderedContent.Substring(renderedContent.IndexOf(parseIndex) + parseIndex.Length);
renderedContent = renderedContent.Replace(renderedContent.Substring(renderedContent.LastIndexOf("</form>"), 7), "");
}
return renderedContent;
}
public static string RenderUserControl(string path, bool useFormLess,
Dictionary <string, string> controlParams, string assemblyName, string controlName,
HttpContext context)
{
System.Web.UI.Page pageHolder = null;
if (useFormLess)
{
pageHolder = new FormlessPage()
{
AppRelativeTemplateSourceDirectory = HttpRuntime.AppDomainAppVirtualPath
}; //needed to resolve "~/"
}
else
{
pageHolder = new System.Web.UI.Page()
{
AppRelativeTemplateSourceDirectory = HttpRuntime.AppDomainAppVirtualPath
};
}
System.Web.UI.UserControl viewControl = null;
//use path by default
if (String.IsNullOrEmpty(path))
{
//load assembly and usercontrol when .ascx is compiled into a .dll
string controlAssemblyName = string.Format("{0}.{1},{0}", assemblyName, controlName);
Type type = Type.GetType(controlAssemblyName);
viewControl = (System.Web.UI.UserControl)pageHolder.LoadControl(type, null);
}
else
{
viewControl = (System.Web.UI.UserControl)pageHolder.LoadControl(path);
}
pageHolder.EnableViewState = false;
viewControl.EnableViewState = false;
if (controlParams != null && controlParams.Count > 0)
{
foreach (var keyValuePair in controlParams)
{
Type viewControlType = viewControl.GetType();
System.Reflection.PropertyInfo property =
viewControlType.GetProperty(keyValuePair.Key);
if (property != null)
{
object value;
DateTime date;
if (property.PropertyType == typeof(bool))
{
value = bool.Parse(keyValuePair.Value);
}
else if (property.PropertyType == typeof(Int32))
{
value = Int32.Parse(keyValuePair.Value);
}
else if (property.PropertyType == typeof(Guid))
{
value = new Guid(keyValuePair.Value);
}
else if (property.PropertyType == typeof(DateTime) && DateTime.TryParse(keyValuePair.Value, out date))
{
value = date;
}
else
{
value = keyValuePair.Value;
}
try
{
property.SetValue(viewControl, value, null);
}
catch (Exception ex)
{
//need to hook into external logger, throw?
}
}
}
}
string parseIndex = System.Guid.NewGuid().ToString();
if (useFormLess)
{
pageHolder.Controls.Add(viewControl);
}
else
{
System.Web.UI.HtmlControls.HtmlForm form = new System.Web.UI.HtmlControls.HtmlForm();
System.Web.UI.ScriptManager sm = new System.Web.UI.ScriptManager();
sm.EnableCdn = true;
sm.AjaxFrameworkMode = System.Web.UI.AjaxFrameworkMode.Disabled;
System.Web.UI.WebControls.Literal litParseIndex = new System.Web.UI.WebControls.Literal();
litParseIndex.Text = parseIndex;
form.Controls.Add(sm);
form.Controls.Add(litParseIndex);
form.Controls.Add(viewControl);
pageHolder.Controls.Add(form);
}
System.IO.StringWriter output = new System.IO.StringWriter();
context.Server.Execute(pageHolder, output, false);
string renderedContent = output.ToString();
if (renderedContent.Contains("<form method=")) //have to have a form and scriptmananger to render sometimes but we don't want it on the client
{
renderedContent = renderedContent.Substring(renderedContent.IndexOf(parseIndex) + parseIndex.Length);
renderedContent = renderedContent.Replace(renderedContent.Substring(renderedContent.LastIndexOf("</form>"), 7), "");
}
return(renderedContent);
}
