用c#在combobox中显示的问题

Question

string connstring = "Provider=Microsoft.Jet.OleDb.4.0;";
connstring += @"Data Source=D:\DataAll\MEASUREMENT30.mdb";
OleDbConnection conn = new OleDbConnection(connstring);
conn.Open();
DataTable dt = conn.GetSchema("Tables");
//dataGridView1.DataSource = dt;//方便查看dt的内容
List tableNames = dt.Rows.OfType().Select(x => (string)x["Table_Name"]).ToList();
comboBox2.DataSource = tableNames;
comboBox2.Text = Convert.ToString(this.comboBox2.SelectedValue);

                    为什么上面的语句没有实现，选中combobox下拉中的选项时，显示变为自己选的内容

Answer 1

如果是要取列table name里的数据应该是这样：

 List<string> tableNames = dt.AsEnumerable().Select(p => p.Field<string>("Table_Name")).ToList();