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private void comboBox3_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
DataSet ds = new DataSet();
String comboxDepStr = "SELECT * FROM Department WHERE DDeptType = 1 OR DDeptType = " + comboBox3.SelectedValue;
SqlConnection conn = new SqlConnection("server=192.168.1.202;uid=sa;pwd=lanny1019;database=InsureDB");
conn.Open();
SqlDataAdapter sda = new SqlDataAdapter();
sda.SelectCommand = new SqlCommand(comboxDepStr, conn);
sda.Fill(ds);
conn.Close();
comboBox4.Items.Clear();
comboBox4.DataSource = ds.Tables[0];
comboBox4.DisplayMember = "DName";
comboBox4.ValueMember = "DepartmentId";
}
catch
{
}
}