How to get List Item value & bind grid in Sharepoint ?

using Microsoft.SharePoint;

SPSite mySite = SPContext.Current.Site;

SPWeb myWeb = SPContext.Current.Web;

SPList splst = myWeb.Lists["LIST NAME"];

SPListItemCollection splstitemcollection = splst.Items;      

//create datatable

DataTable dt = new DataTable();

dt.Columns.Add("COLUMN NAME1");

dt.Columns.Add("COLUMN NAME2");

dt.Columns.Add("COLUMN NAME3");

DataRow dr;         

foreach (SPListItem splstitem in splstitemcollection)

{

dr = dt.NewRow();

dr["COLUMN NAME1"] = splstitem["LIST COLUMN NAME1"];

dr["COLUMN NAME2"] = splstitem["LIST COLUMN NAME2"];

dr["COLUMN NAME3"] = splstitem["LIST COLUMN NAME1"];

dt.Rows.Add(dr);

}

if (dt.Rows.Count > 0)

{

//bind your grid here.  

grd.DataSource = dt;

grd.DataBind();

}