saving the records in a database

protected void RadGrid1_ItemUpdated(object source, Telerik.Web.UI.GridUpdatedEventArgs e)
{


SqlConnection DBConn = new SqlConnection("user id=sa;password=rebbecca;database=SkillMatrix;datasourse=EMPSkillCompetencyLevel");
SqlCommand DBCmd = new SqlCommand();
SqlDataAdapter DBAdap = new SqlDataAdapter();
DataSet DS = new DataSet();
DBConn.Open();


try {

//Add Insert Statement

DBCmd = new SqlCommand("INSERT INTO EMPSkillCompetencyLevel(empid, Skillid, Moduleid,ModuleLevel) VALUES (@empid, @Skillid, @Moduleid, @ModuleLevel)", DBConn);


//Add Database Parameters
DBCmd= new SqlDataAdapter("
int temp1;
temp1 = 2;

DBCmd.Parameters.Add("@ModuleLevel", SqlDbType.Int).Value = temp1;


DBCmd.ExecuteNonQuery();
Response.Write("Your Record is Updated ");



DBAdap = new SqlDataAdapter("SELECT * FROM EMPSkillCompetencyLevel", DBConn);






}
catch (Exception exp)
{

Response.Write(exp);

}



DBCmd.Dispose();
DBAdap.Dispose();
DBConn.Close();
DBConn = null;

}