mcs/class/referencesource/System.Data/System/Data/Odbc/OdbcException.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="OdbcException.cs" company="Microsoft">
   3 //      Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">Microsoft</owner>
   6 // <owner current="true" primary="false">Microsoft</owner>
   7 //------------------------------------------------------------------------------
   8
   9 using System;
  10 using System.ComponentModel;    //Component
  11 using System.Collections;       //ICollection
  12 using System.Data;
  13 using System.Data.Common;
  14 using System.Globalization;
  15 using System.Runtime.InteropServices;
  16 using System.Runtime.Serialization;
  17 using System.Text;
  18
  19 namespace System.Data.Odbc {
  20
  21     [Serializable]
  22     public sealed class OdbcException : System.Data.Common.DbException {
  23         OdbcErrorCollection odbcErrors = new OdbcErrorCollection();
  24
  25         ODBC32.RETCODE _retcode;    // DO NOT REMOVE! only needed for serialization purposes, because Everett had it.
  26
  27         static internal OdbcException CreateException(OdbcErrorCollection errors, ODBC32.RetCode retcode) {
  28             StringBuilder builder = new StringBuilder();
  29             foreach (OdbcError error in errors) {
  30                 if (builder.Length > 0) {
  31                     builder.Append(Environment.NewLine);
  32                 }
  33
  34                 builder.Append(Res.GetString(Res.Odbc_ExceptionMessage, ODBC32.RetcodeToString(retcode), error.SQLState, error.Message)); // MDAC 68337
  35             }
  36             OdbcException exception = new OdbcException(builder.ToString(), errors);
  37             return exception;
  38         }
  39
  40         internal OdbcException(string message, OdbcErrorCollection errors) : base(message) {
  41             odbcErrors = errors;
  42             HResult = HResults.OdbcException;
  43         }
  44
  45         // runtime will call even if private...
  46         private OdbcException(SerializationInfo si, StreamingContext sc) : base(si, sc) {
  47             _retcode = (ODBC32.RETCODE) si.GetValue("odbcRetcode", typeof(ODBC32.RETCODE));
  48             odbcErrors = (OdbcErrorCollection) si.GetValue("odbcErrors", typeof(OdbcErrorCollection));
  49             HResult = HResults.OdbcException;
  50         }
  51
  52         public OdbcErrorCollection Errors {
  53             get {
  54                 return odbcErrors;
  55             }
  56         }
  57
  58         [System.Security.Permissions.SecurityPermissionAttribute(System.Security.Permissions.SecurityAction.LinkDemand, Flags=System.Security.Permissions.SecurityPermissionFlag.SerializationFormatter)]
  59         override public void GetObjectData(SerializationInfo si, StreamingContext context) {
  60             // MDAC 72003
  61             if (null == si) {
  62                 throw new ArgumentNullException("si");
  63             }
  64             si.AddValue("odbcRetcode", _retcode, typeof(ODBC32.RETCODE));
  65             si.AddValue("odbcErrors", odbcErrors, typeof(OdbcErrorCollection));
  66             base.GetObjectData(si, context);
  67             }
  68
  69         // mdac bug 62559 - if we don't have it return nothing (empty string)
  70         override public string Source {
  71             get {
  72                 if (0 < Errors.Count) {
  73                     string source = Errors[0].Source;
  74                     return ADP.IsEmpty(source) ? "" : source; // base.Source;
  75                 }
  76                 return ""; // base.Source;
  77             }
  78         }
  79     }
  80 }