dbclass.cs

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using System;
using System.Data;
using System.Collections.Generic;
using System.Text;
using System.Data.OleDb;

namespace WindowsApplication1
{
    public class DBClass
    {

        static Settings1 s1 = new Settings1();
        static string connString = Settings1.Default.Stock;
        static string connStringFB = Settings1.Default.FenBi;
        public OleDbConnection conn = new OleDbConnection(connString);
        public OleDbConnection connFB = new OleDbConnection(connStringFB);

        public DataSet GetDataSet(string sql)
        {
            if (conn.State == ConnectionState.Closed)
            {
                conn.Open();
            }
            OleDbDataAdapter dapter = new OleDbDataAdapter(sql, conn);
            DataSet ds = new DataSet();
            try
            {
                dapter.Fill(ds);
            }
            catch (Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Message);
            }
            return ds;
        }

        public int ExcuteSQL(string sql)
        {
            int i = 0;
            if (conn.State == ConnectionState.Closed)
            {
                conn.Open();
            }
            OleDbCommand Comm = new OleDbCommand(sql, conn);
            try
            {
                i = Comm.ExecuteNonQuery();
            }
            catch (Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Message);
            }
            return i;
        }


        public DataSet GetDataSetFB(string sql)
        {
            if (connFB.State == ConnectionState.Closed)
            {
                connFB.Open();
            }
            OleDbDataAdapter dapter = new OleDbDataAdapter(sql, connFB);
            DataSet ds = new DataSet();
            try
            {
                dapter.Fill(ds);
            }
            catch (Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Message);
            }
            return ds;
        }

        public int ExcuteSQLFB(string sql)
        {
            int i = 0;
            if (connFB.State == ConnectionState.Closed)
            {
                connFB.Open();
            }
            OleDbCommand Comm = new OleDbCommand(sql, connFB);
            try
            {
                i = Comm.ExecuteNonQuery();
            }
            catch (Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Message);
            }
            return i;
        }



    }
}