add custom list from event receiver of feature activation using sp sharepoint 2010

How to add custom list from event receiver of feature activation dynamically and how to add spfieldtype.Text, spfieldtype.number, spfieldtype.number dropdown select  range limit in sharepoint sp 

2010:

The below sample code demonstrate how to add choice / dropdown value property for a particular column using event receiver of feature avtivation in sharepoint 2010.

This sample

ADD SPFieldType.Choice, SPFieldChoice with SPChoiceFormatType.RadioButtons

Code:

using Microsoft.SharePoint;
using System.Collections.Specialized;


public void OnActivated(SPFeatureReceiverProperties properties)

{
    SPWeb web = (SPWeb)properties.Feature.Parent;
   
    string url = new Uri(web.Url).AbsolutePath;
    SPDocumentLibrary docLib = (SPDocumentLibrary)web.GetListFromUrl("Shared Documents/Forms/AllItems.aspx");
  
    StringCollection categories = new StringCollection();
    categories.AddRange(new string [] {"Choice A", "Choice B", "Choice C"} );
    docLib.Fields.Add("MyNewField", SPFieldType.Choice, true, false, categories);
 
    SPFieldChoice fieldChoice = (SPFieldChoice)docLib.Fields["MyNewField"];
    fieldChoice.DefaultValue = "Choice A";
    fieldChoice.EditFormat = SPChoiceFormatType.RadioButtons;
    fieldChoice.Update();
    docLib.Update();
 

 

OR

SPListCollection lists = web.Lists;
SPList listitem = web.Lists.TryGetList("Listname");
if(listitem == null)
{
 lists.Add("Listname","Your comments here", SPListTemplateType.GenericList);
 SPList newitem = web.Lists["Listname"];
 newitem.Fields.Add("Name",SPFieldType.Text, true);  // for adding text,  true- indicateds this column is mandatory
 newitem.Fields.Add("Link",SPFieldType.URL, true);  // for adding URL,  true- indicateds this column is mandatory
newitem.Fields.Add("ItemCount",SPFieldType.Number, true);  // for adding number,  true- indicateds this column is mandatory

StringCollection categories = new StringCollection();  // for adding choice dropdown, true- indicateds this column is mandatory
    categories.AddRange(new string [] {"Choice A", "Choice B", "Choice C"} );
     newitem.Fields.Add("Range", SPFieldType.Choice, true, false, categories);
  newitem.OnQuickLaunch = true;
newitem.update();

// to display item on default load

SPView itemview = newFeatureList.DefaultView;
itemview.ViewFields.Add("Name");
itemview.ViewFields.Add("Link");
itemview.ViewFields.Add("ItemCount");
itemview.ViewFields.Add("Range");
itemview.update();
   
}

}