/* * 外部调用 */ #region [ 方法: 按条件查询 ] /// <summary> /// 查询Access数据库 /// </summary> /// <param name="strCommand">命令</param> /// <param name="name0">连接字符串</param> /// <returns>数据集</returns> public DataTable DataSelete(string strCommand, string name0) { DataTable dtSelect = new DataTable(); OleDbConnection connAcc = null; OleDbDataAdapter myDA = null; try { connAcc = DAO.GetConn(name0); myDA = new OleDbDataAdapter(); myDA.SelectCommand = new OleDbCommand(strCommand, connAcc); myDA.Fill(dtSelect); } catch (Exception ex) { if (ex.Message.IndexOf("找不到输出表") != -1) { if (ex.Message.IndexOf("NewData") != -1) { //插入New表 accImp.CreateNewTable(name0, ex.Message.Substring(ex.Message.IndexOf("'") + 1, 9)); } else if (ex.Message.IndexOf("OrgData") != -1) { //插入Org表 accImp.CreateOrgTable(name0, ex.Message.Substring(ex.Message.IndexOf("'") + 1, 9)); } else if (ex.Message.IndexOf("ConfigData") != -1) { //插入Config表 accImp.CreateConfigTable(name0, ex.Message.Substring(ex.Message.IndexOf("'") + 1, 12)); } } else if (ex.Message.IndexOf("操作必须使用一个可更新的查询") != -1) { try { accImp.CancelFileReadOnly(connAcc.DataSource); } catch { } } else if (ex.Message.IndexOf("找不到文件") != -1) { try { accImp.CopyMDB(connAcc.DataSource); } catch { } } else if (ex.Message.IndexOf("当前被锁定") != -1) { if (ErrorMessage != null) { ErrorMessage(6020006, ex.StackTrace, "[InsertAccess:InsertData]", ex.Message + Thread.CurrentThread.Name); } Thread.Sleep(100); } else if (ex.Message.IndexOf("由于您和其他用户试图同时改变同一数据") != -1) { if (connAcc.State != ConnectionState.Closed) { connAcc.Close(); connAcc.Dispose(); connAcc = null; } try { string strfilenameTemp = name0.Replace(".mdb", ".ldb"); if (File.Exists(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + strfilenameTemp)) { File.Delete(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + strfilenameTemp); } File.Delete(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + name0); } catch { } Thread.Sleep(100); } else if (ex.Message.IndexOf("不可识别的数据库格式") != -1) { //if (ErrorMessage != null) //{ // ErrorMessage(6020006, ex.StackTrace, "[InsertAccess:InsertData]", ex.Message + Thread.CurrentThread.Name); //} if (connAcc.State != ConnectionState.Closed) { connAcc.Close(); connAcc.Dispose(); connAcc = null; } try { string strfilenameTemp = name0.Replace(".mdb", ".ldb"); if (File.Exists(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + strfilenameTemp)) { File.Delete(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + strfilenameTemp); } File.Delete(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + name0); } catch { } //catch (Exception ee) //{ // string s = ee.Message; //} Thread.Sleep(100); } if (ErrorMessage != null) { ErrorMessage(6020011, ex.StackTrace, "[SelectAccess:DataSelete]", ex.Message); } } finally { if (myDA != null) { myDA.Dispose(); myDA = null; } if (connAcc != null) { connAcc.Dispose(); connAcc = null; } } return(dtSelect); }
/// <summary> /// 向表中插入数据(公共方法) /// </summary> /// <param name="dbCommand">Command对象</param> /// <param name="strCreateInfo"></param> /// <param name="dataStream"></param> /// <returns>操作成功返回True</returns> private bool InsertData(int insertType, OleDbCommand dbCommand, string strCreateInfo, byte[] dataStream) { bool falg = true; DateTime dt = new DateTime(2000, 1, 1, 0, 0, 0); try { string newTime = strCreateInfo.Substring(0, 4) + "." + strCreateInfo.Substring(4, 2) + "." + strCreateInfo.Substring(6, 2); dt = Convert.ToDateTime(newTime); } catch { return(true); } if (dt.Equals(new DateTime(2000, 1, 1, 0, 0, 0))) { return(true); } string filename; filename = dt.ToString("yyyy-MM-dd") + ".mdb"; if (insertType != 0) { filename = "Config\\config" + filename; } OleDbConnection conn = null; // 获取有效的连接 try { conn = DAO.GetConn(filename); // 获取有效的连接 dbCommand.Connection = conn; if (conn.State == ConnectionState.Closed) { conn.Open(); } dbCommand.ExecuteNonQuery(); return(true); } catch (Exception ex) { if (Thread.CurrentThread.Name == "DataSave") { Thread.Sleep(100); } if (ex.Message.IndexOf("找不到输出表") != -1) { try { if (ex.Message.IndexOf("NewData") != -1) { //插入New表 accImp.CreateNewTable(filename, ex.Message.Substring(ex.Message.IndexOf("'") + 1, 9)); } else if (ex.Message.IndexOf("OrgData") != -1) { //插入Org表 accImp.CreateOrgTable(filename, ex.Message.Substring(ex.Message.IndexOf("'") + 1, 9)); } else if (ex.Message.IndexOf("ConfigData") != -1) { //插入Config表 accImp.CreateConfigTable(filename, ex.Message.Substring(ex.Message.IndexOf("'") + 1, 12)); } } catch { } falg = false; } else if (ex.Message.IndexOf("操作必须使用一个可更新的查询") != -1) { try { accImp.CancelFileReadOnly(conn.DataSource); } catch { } falg = false; } else if (ex.Message.IndexOf("找不到文件") != -1) { try { accImp.CopyMDB(conn.DataSource); } catch { } falg = false; } else if (ex.Message.IndexOf("创建重复的值") != -1) { //if (ErrorMessage != null) //{ // ErrorMessage(6020006, ex.StackTrace, "[InsertAccess:InsertData]", "有重复的值出现" + dataStream[0].ToString() + "." + dataStream[1].ToString() + "." + dataStream[2].ToString() + "." + strCreateInfo); //} falg = true; //Thread.Sleep(80); } else if (ex.Message.IndexOf("当前被锁定") != -1) { if (ErrorMessage != null) { ErrorMessage(6020006, ex.StackTrace, "[InsertAccess:InsertData]", ex.Message + Thread.CurrentThread.Name); } falg = false; Thread.Sleep(100); } else if (ex.Message.IndexOf("由于您和其他用户试图同时改变同一数据") != -1) { if (conn.State != ConnectionState.Closed) { conn.Close(); conn.Dispose(); conn = null; } try { string strfilenameTemp = filename.Replace(".mdb", ".ldb"); if (File.Exists(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + strfilenameTemp)) { File.Delete(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + strfilenameTemp); } File.Delete(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + filename); } catch { } Thread.Sleep(100); falg = false; } else if (ex.Message.IndexOf("不可识别的数据库格式") != -1) { //if (ErrorMessage != null) //{ // ErrorMessage(6020006, ex.StackTrace, "[InsertAccess:InsertData]", ex.Message + Thread.CurrentThread.Name); //} if (conn.State != ConnectionState.Closed) { conn.Close(); conn.Dispose(); conn = null; } try { string strfilenameTemp = filename.Replace(".mdb", ".ldb"); if (File.Exists(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + strfilenameTemp)) { File.Delete(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + strfilenameTemp); } File.Delete(System.Windows.Forms.Application.StartupPath.ToString() + @"\AccessDB\" + filename); } catch {} //catch(Exception ee) //{ // string s = ee.Message; //} Thread.Sleep(100); falg = false; } else { if (ErrorMessage != null) { ErrorMessage(6020006, ex.StackTrace, "[InsertAccess:InsertData]", ex.Message + Thread.CurrentThread.Name); } Thread.Sleep(100); falg = false; } } finally { if (conn != null) { conn.Dispose(); conn = null; } } return(falg); }