public void Update()
{
string strsql = "update Skills set " + "SkillTypeId= " + SkillTypeId + ", " + "SkillName= '" + SkillName.Replace("'", "''") + "', " + "Status= '" + Status.Replace("'", "''") + "' " + " where ID =" + Id;
SqlConnection ObjConnection = new SqlConnection(ConfigurationManager.ConnectionStrings["MyJobPortal"].ConnectionString);
ObjConnection.Open();
SqlCommand ObjCommand = new SqlCommand(strsql, ObjConnection);
ObjCommand.ExecuteNonQuery();
ObjConnection.Dispose();
ObjCommand.Dispose();
}