SqlCeErrorCollection.Item 属性

获取位于指定索引处的错误。

命名空间: System.Data.SqlServerCe
程序集: System.Data.SqlServerCe(在 system.data.sqlserverce.dll 中)

语法

声明
Public ReadOnly Default Property Item ( _
    index As Integer _
) As SqlCeError
用法
Dim instance As SqlCeErrorCollection
Dim index As Integer
Dim value As SqlCeError

value = instance(index)
public SqlCeError this [
    int index
] { get; }
public:
property SqlCeError^ default [int] {
    SqlCeError^ get (int index);
}
/** @property */
public SqlCeError get_Item (int index)
不适用。

参数

  • index
    要检索的 SqlCeError 的从零开始的索引。

属性值

一个 SqlCeError,包含指定索引位置的错误。

示例

下面的示例显示 SqlCeErrorCollection 集合中的每个 SqlCeError

Public Sub DisplaySqlCeErrors(ByVal errorCollection As SqlCeErrorCollection)

    Dim err As SqlCeError
    Dim bld As New StringBuilder()

    For Each err In errorCollection
        bld.Append((ControlChars.Cr & " Error Code: " & err.HResult.ToString("X")))
        bld.Append((ControlChars.Cr & " Message   : " & err.Message))
        bld.Append((ControlChars.Cr & " Minor Err.: " & err.NativeError))
        bld.Append((ControlChars.Cr & " Source    : " & err.Source))

        Dim numPar As Integer
        For Each numPar In err.NumericErrorParameters
            If 0 <> numPar Then
                bld.Append((ControlChars.Cr & " Num. Par. : " & numPar))
            End If
        Next numPar

        Dim errPar As String
        For Each errPar In err.ErrorParameters
            If [String].Empty <> errPar Then
                bld.Append((ControlChars.Cr & " Err. Par. : " & errPar))
            End If
        Next errPar

        MessageBox.Show(bld.ToString())
        bld.Remove(0, bld.Length)
    Next err

End Sub 'DisplaySqlCeErrors
public void DisplaySqlCeErrors(SqlCeErrorCollection errorCollection ) {
    StringBuilder bld = new StringBuilder();

    foreach (SqlCeError err in errorCollection) {
        bld.Append("\n Error Code: " + err.HResult.ToString("X"));
        bld.Append("\n Message   : " + err.Message);
        bld.Append("\n Minor Err.: " + err.NativeError);
        bld.Append("\n Source    : " + err.Source);
            
        foreach (int numPar in err.NumericErrorParameters) {
            if (0 != numPar) bld.Append("\n Num. Par. : " + numPar);
        }
            
        foreach (string errPar in err.ErrorParameters) {
            if (String.Empty != errPar) bld.Append("\n Err. Par. : " + errPar);
        }

        MessageBox.Show(bld.ToString());
        bld.Remove(0, bld.Length);
    }
}

平台

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

Windows Vista、Microsoft Windows XP SP2 和 Windows Server 2003 SP1 支持 Microsoft .NET Framework 3.0。

版本信息

.NET Framework

受以下版本支持:3.0

.NET Compact Framework

受以下版本支持:2.0、1.0

请参见

参考

SqlCeErrorCollection 类
SqlCeErrorCollection 成员
System.Data.SqlServerCe 命名空间