转载:https://blog.csdn.net/yyzzhc999/article/details/79367114
using System; using System.Collections.Generic; using System.Configuration; using System.Data; using System.Data.OleDb; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; namespace YiElectricCloud_DataModel.Common { public static class DataCommon { //C:UsersPublicEPLANData部件Company nameESS_part001.mdb public static string strConn = ConfigurationManager.ConnectionStrings["strConn"].ToString(); //@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=D:202009益电云EPLANClassLibrary1ClassLibrary1inDebugDataESS_part001.accdb"; public static DataSet GetDataSet(string strSql,string tableName) { DataSet ds = new DataSet(); try { using (OleDbConnection con = new OleDbConnection(strConn)) { if (con.State!=ConnectionState.Open) { con.Open(); } OleDbDataAdapter adapter = new OleDbDataAdapter(strSql,strConn); adapter.Fill(ds, tableName); return ds; } } catch (OleDbException OleDbException) { throw OleDbException; } } /// <summary> ///获取数据源受影响行的函数,此函数用于增加、查找、更新操作 ADD,Search,update /// </summary> /// <param name="strSql"></param> /// <returns></returns> public static int ExecutQuery(string strSql) { try { using (OleDbConnection con = new OleDbConnection(strConn)) { if (con.State != ConnectionState.Open) { con.Open(); } OleDbCommand cmd = new OleDbCommand(strSql,con); OleDbTransaction ts = con.BeginTransaction(); cmd.Transaction = ts; int h = cmd.ExecuteNonQuery(); if (h>0) { ts.Commit(); } else { ts.Rollback(); } return h; } } catch (OleDbException OleDbException) { throw OleDbException; } } } }