what date i insert in the run mode that date is not saved DB

Change the datatype datetime to varchar(50)


using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
namespace WebApplication11
{
    public partial class _Default : System.Web.UI.Page
    {
        string strConnString = ConfigurationManager.ConnectionStrings["MyConsString"].ConnectionString;
        string str;
        SqlCommand cmd;

        protected void Button1_Click(object sender, EventArgs e)
        {
            SqlConnection con = new SqlConnection(strConnString);
            con.Open();
            str = "INSERT INTO BirthDayWish  VALUES (@dof)";
            cmd = new SqlCommand(str, con);
            cmd.CommandType = CommandType.Text;
            cmd.Parameters.AddWithValue("@dof", FromDate.SelectedDate.ToString("dd/MM/yyyy"));
            cmd.Connection = con;
            cmd.ExecuteNonQuery();
            con.Close();
            Response.Write("Records Inserted");
        }
    }
}

sql server by default store this format  , you can filter this also by  the query  .

go through this link .

http://www.sql-server-helper.com/tips/date-formats.aspx