Provider=Microsoft.Jet.OLEDB.4.0; Data Source=access.mdb"; OleDbCommandcmmd = new OleDbCommand("SELECT * FROM probe)", conn);
using (OleDbDataReader myReader
OleDbCommand cmd = new OleDbCommand(String.Concat("Select * From ", comboBox1.Text), con);我添加了sqlOleDbCommand cmd = new OleDbCommand(String.Concat("Select * From
@Companydetails where Research_ID =
Thermal Analysis\\thermal.accdb"; cn.Open();
OleDbCommandcmd = new OleDbCommand("SELECT ID,temp FROM temperature where date_time=#'" + DropDownList1.SelectedItem
OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=userName.accdb");
OleDbCommandcmd = new OleDbCommand("Select * From userAndPass Where ID = @id AND pass = @password", conn);