我写的一个简单的,你看看。
SqlCeDataReader dr;
SqlCeCommand cmdGetData = new SqlCeCommand("SELECT * FROM Name where 公司名='"+comboBox1.Text+"'", localConnection);
dr = cmdGetData.ExecuteReader();
panel2.Controls.Clear();
while (dr.Read())
{
Panel a1 = new Panel();
a1.Dock = DockStyle.Top;
a1.Tag = dr["公司名"] + "\r\n" + dr["帐号"] + "\r\n" + dr["开户行"];
a1.Name = dr[0].ToString();
a1.Size = new Size(200, 50);
a1.Paint += new PaintEventHandler(Name_Paint);
a1.Click += new EventHandler(Name_Click);