返回信息流RT
运行时候老是提示form语句格式不对 select * from order order 为数据库表的名称,有何不对的地方么?
using System;
using System.Data;
using System.Data.OleDb;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Serialization;
public class MainClass
{
public static void Main()
{
// Set Access connection and select strings.
// The path to BugTypes.MDB must be changed if you build
// the sample from the command line
string strAccessConn = @"Provider=Microsoft.Jet.OLEDB.4.0;DataSource=|DataDirectory|\TeamMemberManager.mdb";
//#endif
string strAccessSelect = "SELECT * FROM order";
// Create the dataset and add the Categories table to it:
DataSet myDataSet = new DataSet();
OleDbConnection myAccessConn = null;
try
{
myAccessConn = new OleDbConnection(strAccessConn);
}
catch (Exception ex)
{
Console.WriteLine("Error: Failed to create a database connection. \n{0}", ex.Message);
return;
}
try
{
OleDbCommand myAccessCommand = new OleDbCommand(strAccessSelect, myAccessConn);
OleDbDataAdapter myDataAdapter = new OleDbDataAdapter(myAccessCommand);
myAccessConn.Open();
myDataAdapter.Fill(myDataSet, "ID");
Console.WriteLine("1");
//OleDbDataReader thisReader = myAccessCommand.ExecuteReader();
}
catch (Exception ex)
{
Console.WriteLine("Error: Failed to retrieve the required data from the DataBase.\n{0}", ex.Message);
return;
}
finally
{
myAccessConn.Close();
}
// A dataset can contain multiple tables, so let's get them
// all into an array:
DataTableCollection dta = myDataSet.Tables;
foreach (DataTable dt in dta)
{
Console.WriteLine("Found data table {0}", dt.TableName);
}
// The next two lines show two different ways you can get the
// count of tables in a dataset:
Console.WriteLine("{0} tables in data set", myDataSet.Tables.Count);
Console.WriteLine("{0} tables in data set", dta.Count);
// The next several lines show how to get information on
// a specific table by name from the dataset:
Console.WriteLine("{0} rows in Categories table", myDataSet.Tables["Categories"].Rows.Count);
// The column info is automatically fetched from the database,
// so we can read it here:
Console.WriteLine("{0} columns in Categories table", myDataSet.Tables["Categories"].Columns.Count);
DataColumnCollection drc = myDataSet.Tables["Categories"].Columns;
int i = 0;
foreach (DataColumn dc in drc)
{
// Print the column subscript, then the column's name
// and its data type:
Console.WriteLine("Column name[{0}] is {1}, of type {2}", i++, dc.ColumnName, dc.DataType);
}
DataRowCollection dra = myDataSet.Tables["Categories"].Rows;
foreach (DataRow dr in dra)
{
// Print the CategoryID as a subscript, then the CategoryName:
Console.WriteLine("CategoryName[{0}] is {1}", dr[0], dr[1]);
}
}
}
这是一条镜像帖。来源:北邮人论坛 / dot-net / #3147同步于 2011/7/20
该镜像源已超过 30 天没有更新,可能在源站已被删除。
dotNET机器人发帖
c# 读出access mdb文件
Dottog
2011/7/20镜像同步3 回复
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