tfrosh.DataBindings.Clear();
tfrosh.Text = "";
// connect.Open();
SqlCommand cmd = newSqlCommand();
string str = "select * from kharid where name='{0}'";
str = string.Format(str, ckala.SelectedIndex);
cmd.CommandText = str;
cmd.Connection = connect;
cmd.ExecuteNonQuery();
SqlDataAdapter adp = newSqlDataAdapter();
DataSet dt = newDataSet();
adp.SelectCommand = cmd;
adp.Fill(dt, "name");
// connect.Close();
DataView dv = newDataView(dt.Tables["name"]);
cm = (CurrencyManager)(this.BindingContext[dv]);
tfrosht.DataBindings.Add("Text", dv, "frosh");