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我嘗試從MS-Access表得到一個數據列,並在這樣如何從數據庫讀取數據並將其顯示在TextBox中?
public partial class Form1 : Form
{
public OleDbConnection database;
public Form1()
{
InitializeComponent();
}
private OleDbConnection Database_Connection;
private void Open_Database_button_Click(object sender, EventArgs e)
{
Database_Connection = new OleDbConnection(
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source="test.mdb");
OleDbCommand Command = new OleDbCommand(
" SELECT top 1 * from test", Database_Connection);
Database_Connection.Open();
OleDbDataReader DB_Reader = Command.ExecuteReader();
// How can I display the column in TextBox?
}
...
}
你的意思是你想要顯示一個記錄或一個字段而不是一列嗎?請不要忘記關閉數據庫連接。 – DOK 2012-03-31 20:28:16
顯示記錄,好吧,我會關閉連接 – Wizard 2012-03-31 20:32:56