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//------------------------------------------------------------------------------
// <copyright file="OleDbError.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------
namespace System.Data.OleDb {
using System;
using System.Data.Common;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.InteropServices;
[Serializable]
public sealed class OleDbError {
readonly private string message;
readonly private string source;
readonly private string sqlState;
readonly private int nativeError;
internal OleDbError(UnsafeNativeMethods.IErrorRecords errorRecords, int index) {
OleDbHResult hr;
int lcid = System.Globalization.CultureInfo.CurrentCulture.LCID;
Bid.Trace("<oledb.IErrorRecords.GetErrorInfo|API|OS>\n");
UnsafeNativeMethods.IErrorInfo errorInfo = errorRecords.GetErrorInfo(index, lcid);
if (null != errorInfo) {
Bid.Trace("<oledb.IErrorInfo.GetDescription|API|OS>\n");
hr = errorInfo.GetDescription(out this.message);
Bid.Trace("<oledb.IErrorInfo.GetDescription|API|OS|RET> Message='%ls'\n", this.message);
if (OleDbHResult.DB_E_NOLOCALE == hr) { // MDAC 87303
Bid.Trace("<oledb.ReleaseComObject|API|OS> ErrorInfo\n");
Marshal.ReleaseComObject(errorInfo);
Bid.Trace("<oledb.Kernel32.GetUserDefaultLCID|API|OS>\n");
lcid = SafeNativeMethods.GetUserDefaultLCID();
Bid.Trace("<oledb.IErrorRecords.GetErrorInfo|API|OS> LCID=%d\n", lcid);
errorInfo = errorRecords.GetErrorInfo(index, lcid);
if (null != errorInfo) {
Bid.Trace("<oledb.IErrorInfo.GetDescription|API|OS>\n");
hr = errorInfo.GetDescription(out this.message);
Bid.Trace("<oledb.IErrorInfo.GetDescription|API|OS|RET> Message='%ls'\n", this.message);
}
}
if ((hr < 0) && ADP.IsEmpty(this.message)) {
this.message = ODB.FailedGetDescription(hr);
}
if (null != errorInfo) {
Bid.Trace("<oledb.IErrorInfo.GetSource|API|OS>\n");
hr = errorInfo.GetSource(out this.source);
Bid.Trace("<oledb.IErrorInfo.GetSource|API|OS|RET> Source='%ls'\n", this.source);
if (OleDbHResult.DB_E_NOLOCALE == hr) { // MDAC 87303
Marshal.ReleaseComObject(errorInfo);
Bid.Trace("<oledb.Kernel32.GetUserDefaultLCID|API|OS>\n");
lcid = SafeNativeMethods.GetUserDefaultLCID();
Bid.Trace("<oledb.IErrorRecords.GetErrorInfo|API|OS> LCID=%d\n", lcid);
errorInfo = errorRecords.GetErrorInfo(index, lcid);
if (null != errorInfo) {
Bid.Trace("<oledb.IErrorInfo.GetSource|API|OS>\n");
hr = errorInfo.GetSource(out this.source);
Bid.Trace("<oledb.IErrorInfo.GetSource|API|OS|RET> Source='%ls'\n", this.source);
}
}
if ((hr < 0) && ADP.IsEmpty(this.source)) {
this.source = ODB.FailedGetSource(hr);
}
Bid.Trace("<oledb.Marshal.ReleaseComObject|API|OS> ErrorInfo\n");
Marshal.ReleaseComObject(errorInfo);
}
}
UnsafeNativeMethods.ISQLErrorInfo sqlErrorInfo;
Bid.Trace("<oledb.IErrorRecords.GetCustomErrorObject|API|OS> IID_ISQLErrorInfo\n");
hr = errorRecords.GetCustomErrorObject(index, ref ODB.IID_ISQLErrorInfo, out sqlErrorInfo);
if (null != sqlErrorInfo) {
Bid.Trace("<oledb.ISQLErrorInfo.GetSQLInfo|API|OS>\n");
this.nativeError = sqlErrorInfo.GetSQLInfo(out this.sqlState);
Bid.Trace("<oledb.ReleaseComObject|API|OS> SQLErrorInfo\n");
Marshal.ReleaseComObject(sqlErrorInfo);
}
}
public string Message {
get {
string message = this.message;
return ((null != message) ? message : ADP.StrEmpty);
}
}
public int NativeError {
get {
return this.nativeError;
}
}
public string Source {
get {
string source = this.source;
return ((null != source) ? source : ADP.StrEmpty);
}
}
public string SQLState {
get {
string sqlState = this.sqlState;
return ((null != sqlState) ? sqlState : ADP.StrEmpty);
}
}
override public string ToString() {
return Message;
}
}
}
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