0
我有一個id文本框和一個名稱,部門組合框和一個分區,我已將它們與MS Access關聯,但部門和分區組合框僅顯示所選值不是包含所有項目的列表),我需要它給我一個包含所有項目的列表,並重點關注該ID的當前值。在Combobox中顯示列表項並關注來自數據庫的預留值
這是我到目前爲止有:
private void id_txt_TextChanged(object sender, EventArgs e)
{
try
{
bool hasdata = false;
if (id_edit.Text != "")
{
connection.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = connection;
String query = " SELECT * FROM emp_personal WHERE ID = " + Int32.Parse(id_edit.Text) + "";
command.CommandText = query;
OleDbDataReader reader = command.ExecuteReader();
OleDbDataAdapter adapter = new OleDbDataAdapter(query, connection);
while (reader.Read())
{
hasdata = true;
name_edit.Text = reader["Name"].ToString();
DataSet ds = new DataSet();
adapter.Fill(ds);
department_edit.DataSource = ds.Tables[0];
department_edit.DisplayMember = "Department";
department_edit.ValueMember = "Department";
division_edit.DataSource = ds.Tables[0];
division_edit.DisplayMember = "Division";
division_edit.ValueMember = "Division";
}
connection.Close();
}
if (!hasdata)
{
name_edit.Clear();
department_edit.SelectedIndex = -1;
division_edit.SelectedIndex = -1;
}
}
catch (Exception ex)
{
MessageBox.Show("Error " + ex);
connection.Close();
}
}
感謝。