OleDbConnection connect = new OleDbConnection ("Provider=Microsoft.ACE.OLEDB.12.0;Data source:C:\\Users\\PC\\Documents\\Visual Studio 2013\\Projects\\WindowsFormsApplication1\\WindowsFormsApplication1\\Firebird damagem0.accdb;Persist Security Info=False");
public partial class Form3 : Form
{
// OleDbconnection database
OleDbConnection connect = new OleDbConnection ("Provider=Microsoft.ACE.OLEDB.12.0;Data source:C:\\Users\\PC\\Documents\\Visual Studio 2013\\Projects\\WindowsFormsApplication1\\WindowsFormsApplication1\\Firebird damagem0.accdb;Persist Security Info=False");
public Form3()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
// Set up command
connect.Open();
OleDbConnection command = new OleDbConnection("SELECT [Damage columns], ID FROM [Copy of Firebird m0 damage]; connection");
command.ExecuteNonQuery();
DataTable ds = new DataTable();
OleDbDataAdapter da = new OleDbDataAdapter (command);
da.Fill(dt);
foreach (DataRow dr in dt.Rows)
{
comboBox3.Items.Add(dr["[Damage columns]"].ToString());
}
connect.Close();
}
connect.Open(); 发生错误 我做的一切都是正确的,但我仍然不断收到错误,有什么建议吗?