Create custom ListViewWebPart

Hi All,

First of All Special Thanks to

Arun

Creating ListViewWebpart programmatically

http://www.sharepointu.com/forums/p/2141/5876.aspx

Guzel

http://forums.msdn.microsoft.com/en-US/sharepointdevelopment/thread/e7eda00c-14c7-41f9-87b1-09d911c30378/


Basics can be found @ :
http://www.sharepointplatform.com/teamblog/Lists/Posts/Post.aspx?List=427bfca2%2Db731%2D4c19%2D87c6%2D83c90460e02c&ID=42

These sites and people have helped us in this venture.

We are great full to all those on the internet, who apply their thoughts and provide with such good codes and tips.
We sincerely apologize if we forgot to mention any one over here.

Now to the venture: Custom ListViewWebPart

Recently one of the projects in which we are involved needed to develop a Web Part.
This Web Part had to look same as the OOTB (Out Of The Box) DataView.

The requirment further stated that it should have the Following:

1) Show Data from any List.
2) Show Data from any View applied on the List.
3) Show Data from any List with Dynamic Queries.
4) Show be able to sort,filter,edit,add new item etc on the List.

:) There was a never ending List of requirments that the client gave us.


We Created this Web Part from the Base
Microsoft.SharePoint.WebPartPages.ListViewWebPart

he Parameter that Make it Fully Dynamic are in the
Tool Panel --> Miscellaneous

Below are the Images that will give you the exact Picture:








The Source Code of the entire Web Part is here:

using System;
using System.Runtime.InteropServices;
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.Administration;
using Microsoft.SharePoint.WebControls;
using Microsoft.SharePoint.WebPartPages;
using System.Security.Principal;




namespace Com.SharePointKings.Webparts.Com.SharePointKings.Webparts
{


[Guid("5BAC68E6-0B8C-4b0b-85B7-7D8340480D5C")]
public class CustomListViewWebPart : System.Web.UI.WebControls.WebParts.WebPart
{
#region Variable Declaration
private string strlisttolink = string.Empty;
private string strViewOfSourceList = string.Empty;
private string strQuery = string.Empty;

#endregion
#region Properties

//Get and Set Property of the Source List
[Personalizable(true),
WebBrowsable(),
WebDisplayName("List Name"),
WebDescription("Pass the Name of the List")]
//Get and Set Property of the Source List
public string ListToLink
{
get
{
return strlisttolink;
}
set
{
strlisttolink = value;
}
}

[Personalizable(true),
WebBrowsable(),
WebDisplayName("View"),
WebDescription("Pass Name of the View that you will like to apply to the List")]
//Get and Set Property of the Source List
public string ViewOfSourceList
{
get
{
return strViewOfSourceList;
}
set
{
strViewOfSourceList = value;
}
}
[Personalizable(true),
WebBrowsable(),
WebDisplayName("Query"),
WebDescription("Pass the Filter Query")]
//Get and Set Property of the Source List
public string FilterQuery
{
get
{
return strQuery;
}
set
{
strQuery = value;
}
}

#endregion

public CustomListViewWebPart()
{
this.ExportMode = WebPartExportMode.All;
}



protected override void CreateChildControls()
{
base.CreateChildControls();

try
{

SPWeb web = SPContext.Current.Web;
SPList list = web.Lists[ListToLink];



ViewToolBar toolbar = new ViewToolBar();

SPContext context = SPContext.GetContext(this.Context, list.Views[ViewOfSourceList].ID, list.ID, SPContext.Current.Web);

toolbar.RenderContext = context;

Controls.Add(toolbar);




// Instantiate the web part
ListViewWebPart lvwp = new ListViewWebPart();
lvwp.ListName = list.ID.ToString("B").ToUpper();
lvwp.ViewGuid = list.Views[ViewOfSourceList].
ID.ToString("B").ToUpper();

SPView webPartView = web.Lists[ListToLink].Views[ViewOfSourceList];
SPList objList = web.Lists[ListToLink];
webPartView.Query = FilterQuery;

// Remove the Toolbar!
// First Option: Do it throught OOTB.This needs to be done from the VIEW of the Web Part
// Second Option: Do it trhough Coding.This line is required to ensure that all the appropriate internal nodes of the SPView are populated

String temp = webPartView.SchemaXml;
System.Reflection.PropertyInfo ViewProp = lvwp.GetType().GetProperty("View", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
SPView spView = ViewProp.GetValue(lvwp, null) as SPView;
// This forces a refresh of the views internal xml or the node's cild nodes are not populated


PropertyInfo nodeProp = webPartView.GetType().GetProperty("Node", BindingFlags.NonPublic | BindingFlags.Instance);
XmlNode node = nodeProp.GetValue(webPartView, null) as XmlNode;

// Now get the Toolbar node from the view so we can update its type property
XmlNode toolbarNode = node.SelectSingleNode("Toolbar");
if (toolbarNode != null)
{
toolbarNode.Attributes["Type"].Value = "None";
web.AllowUnsafeUpdates = true;
webPartView.Update();
web.AllowUnsafeUpdates = false;
}
//End Remove the Toolbar!

web.AllowUnsafeUpdates = true;
webPartView.Update();
objList.Update();
web.AllowUnsafeUpdates = false;
lvwp.GetDesignTimeHtml();
this.Controls.Add(lvwp);
}
catch (Exception ex)
{
Label lbl = new Label();
lbl.Text = "Error occured: ";
lbl.Text += ex.Message;
this.Controls.Add(lbl);
}
}


protected override void Render(HtmlTextWriter writer)
{
EnsureChildControls();
base.Render(writer);
}
}
}