App_Code/Muju.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Data.OleDb;
public interface Imuju
{
    //公共函数
    OleDbDataReader OleGetinfo(string mypath,string sCmd);
    DataSet DsGetinfo(string mypath,string sCmd);
    int Executeinfo(string mypath,string sCmd);
    
}
/// <summary>
///Muju 的摘要说明
/// </summary>
public class Muju:Imuju
{
   
	public Muju()
	{
		//
		//TODO: 在此处添加构造函数逻辑
		//
	}
    //SQL reader
    public OleDbDataReader OleGetinfo(string mypath,string sCmd)
    {
        OleDbConnection myConnection = new OleDbConnection(ConfigurationManager.ConnectionStrings["OLECONNECTIONSTRING1"].ConnectionString + mypath + ConfigurationManager.ConnectionStrings["OLECONNECTIONSTRING2"].ConnectionString);
        string cmdText = sCmd;
        OleDbDataReader dr = null;
        OleDbCommand myCommand = new OleDbCommand(cmdText, myConnection);
        try
        {
            myConnection.Open();
            dr = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
        }
        catch (OleDbException ex)
        {
            throw new Exception(ex.Message, ex);
        }
        return dr;
    }
    //DataSet 
    public DataSet DsGetinfo(string mypath,string sCmd)
    {
        OleDbConnection myConnection = new OleDbConnection(ConfigurationManager.ConnectionStrings["OLECONNECTIONSTRING1"].ConnectionString + mypath + ConfigurationManager.ConnectionStrings["OLECONNECTIONSTRING2"].ConnectionString);
        string cmdText = sCmd;
        OleDbDataAdapter da = new OleDbDataAdapter(cmdText, myConnection);
        DataSet ds = new DataSet();
        try
        {
            myConnection.Open();
            da.Fill(ds, "aa");
        }