public static DataSet ReadAllData()
{
string mdbPath = System.Configuration.ConfigurationSettings.AppSettings["fileMdb"];
//string table = System.Configuration.ConfigurationSettings.AppSettings["table"];
//String connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source='" + mdbPath + "'";
DataSet dset = new DataSet();
DataTable dt = new DataTable();
try
{
DataRow dr;
//1、建立連接 Microsoft.Jet.OLEDB.4.0
string strConn = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + mdbPath + ";Jet OLEDB:Database Password=123456";
OleDbConnection odcConnection = new OleDbConnection(strConn);
//2、打開連接
odcConnection.Open();
//建立SQL查詢
OleDbCommand odCommand = odcConnection.CreateCommand();
//3、輸入查詢語句
odCommand.CommandText = "select * from test";
OleDbDataAdapter ODbda = new OleDbDataAdapter();
ODbda.SelectCommand = odCommand;
ODbda.Fill(dset, "caiwu");
odcConnection.Close();
}
catch (Exception e)
{
throw e;
}
return dset;
}
{
string mdbPath = System.Configuration.ConfigurationSettings.AppSettings["fileMdb"];
//string table = System.Configuration.ConfigurationSettings.AppSettings["table"];
//String connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source='" + mdbPath + "'";
DataSet dset = new DataSet();
DataTable dt = new DataTable();
try
{
DataRow dr;
//1、建立連接 Microsoft.Jet.OLEDB.4.0
string strConn = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + mdbPath + ";Jet OLEDB:Database Password=123456";
OleDbConnection odcConnection = new OleDbConnection(strConn);
//2、打開連接
odcConnection.Open();
//建立SQL查詢
OleDbCommand odCommand = odcConnection.CreateCommand();
//3、輸入查詢語句
odCommand.CommandText = "select * from test";
OleDbDataAdapter ODbda = new OleDbDataAdapter();
ODbda.SelectCommand = odCommand;
ODbda.Fill(dset, "caiwu");
odcConnection.Close();
}
catch (Exception e)
{
throw e;
}
return dset;
}