Moss/WSS is so CMS popular currently. There are many thing can be which can be done and is modified at deep technology on that product.
Work with on that solution will ever be utilize webpart. But if we develop one webpart sometimes we do ever make same old things which is make coding webpart and load the usercontrol what does we want.
This concept is similiar with SmartPart which you just create one webpart and then it can be used to load all your usercontrol without writing webpart again.
The listing code is like this:
using System;
using System.ComponentModel;
using System.Text;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Serialization;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Utilities;
using Microsoft.SharePoint.WebPartPages;
namespace WebPartLib
{
public class WebPartGeneral : Microsoft.SharePoint.WebPartPages.WebPart
{
private Control _childControl = null;
private string _userControlVirtualPath = string.Empty;
private string _errMessage = string.Empty;
public WebPartGeneral()
{ }
[
Personalizable(),
Category("Miscellaneous"),
DefaultValue(""),
WebBrowsable(true),
WebDisplayName("User Control Virtual Path"),
WebDescription("User Control Virtual Path")
]
public string UserControlVirtualPath
{
get { return _userControlVirtualPath; }
set { _userControlVirtualPath = value; }
}
protected override void RenderWebPart(HtmlTextWriter output)
{
if (_errMessage != string.Empty) output.Write(_errMessage);
if (_userControlVirtualPath != string.Empty ||
_userControlVirtualPath.Equals("") == false)
RenderChildren(output);
}
protected override void RenderChildren(HtmlTextWriter output)
{
try
{
this.EnsureChildControls();
if (this._childControl != null)
this._childControl.RenderControl(output);
}
catch (Exception ex)
{
_errMessage = string.Format(
"Exception Message (RenderWebPart) = {0}<br />", ex.Message);
}
}
protected override void CreateChildControls()
{
base.CreateChildControls();
if (_userControlVirtualPath != string.Empty)
{
if (_childControl != null) return;
_childControl = Page.LoadControl(_userControlVirtualPath);
if (_childControl != null)
Controls.AddAt(0, _childControl);
}
}
public override void Dispose()
{
}
}
}
eControl Assembly="WebPartLib, Version=1.0.0.0, Culture=neutral" Namespace="WebPartLib" TypeName="*" Safe="True" AllowRemoteDesigner="True" />
and change trust level from WSS_Minimal into Full.
<trust level="Full" originUrl="" />
As i mention before, Now every time you create a usercontrol you don't have to create another webpart. It's only use that webpart again and set path into that usercontrols.
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