Accessing List Item Values

//Accessing List Item Values
        //Create one site and a task with some items
        SPSite rootSite = new SPSite("Http://Mohan");
        SPWeb web = rootSite.AllWebs["Site1"];
        //SPList :- Represents a list on a SharePoint Web site.
        SPList taskList = web.Lists["task1"];
        //SPListItem :- Represents an item or row in a list. 
        foreach (SPListItem item in taskList.Items)
        {
            Response.Write("Item Name " + item.Name + "Assigner To " + item["AssignedTo"] + "Due Date " + item["DueDate"] + "<br>");
        }
        //Create one links item and add no items for test
        SPList lst = web.Lists["Links1"];
        foreach (SPListItem item1 in lst.Items)
        {
            Response.Write("Url Name " +  item1.Name + "<br>");
        }