SCOPE_IDENTITY返回錯誤ID

我試圖返回新創建的行的ID。我試着用SCOPE_IDENTITY做它，但它返回一個3.我搜索了四周，無法確定我做的不正確。SCOPE_IDENTITY返回錯誤ID

下面是代碼：

<asp:SqlDataSource ID="sourceRecruit" runat="server" 
    ProviderName="System.Data.SqlClient" 
    ConnectionString="<%$ ConnectionStrings:DBCS %>" 
    SelectCommand="SELECT * FROM [Players] WHERE ([ID] = @ID)" 
    UpdateCommand="UPDATE [Players] SET [FirstName] = @FirstName, [LastName][email protected], [Height][email protected], [Weight][email protected], [FortyYardDash] = @FortyYardDash, [CombineVerified] = @CombineVerified, [HomeNumber] = @HomeNumber, [CellNumber] = @CellNumber, [Email] = @Email, [Position] = @Position, [Commitment] = @Commitment, [GraduationYear] = @GraduationYear, [LastUpdate] = @LastUpdate, [NetworkUpdate] = @NetworkUpdate, [DecisionDate] = @DecisionDate, [MiscContact] = @MiscContact, [RivalsID] = @RivalsID, [ScoutID] = @ScoutID, [ESPNID] = @ESPNID, [t247SportsID] = @t247SportsID, [PictureID] = @PictureID, [StarRating] = @StarRating, [NationalHot100Rank] = @NationalHot100Rank, [PositionRank] = @PositionRank, [JanuaryEnrollee] = @JanuaryEnrollee, [Recruiter] = @Recruiter, [RecruitedPosition] = @RecruitedPosition, [SummerCamp] = @SummerCamp, [JuniorDay] = @JuniorDay, [SpringGame] = @SpringGame, [UnofficialVisit] = @UnofficialVisit, [FootballGame] = @FootballGame, [OfficialVisitDate] = @OfficialVisitDate, [Status] = @Status, [Updates] = @Updates, [Favorites] = @Favorites, [Visits] = @Visits, [Odds] = @Odds WHERE [ID] = @ID" 
    InsertCommand="INSERT INTO Players ([FirstName], [LastName], [Height], [Weight], [FortyYardDash], [CombineVerified], [HomeNumber], [CellNumber], [Email], [Position], [Commitment], [GraduationYear], [LastUpdate], [NetworkUpdate], [DecisionDate], [MiscContact], [RivalsID], [ScoutID], [ESPNID], [t247SportsID], [PictureID], [StarRating], [NationalHot100Rank], [PositionRank], [JanuaryEnrollee], [Recruiter], [RecruitedPosition], [SummerCamp], [JuniorDay], [SpringGame], [UnofficialVisit], [FootballGame], [OfficialVisitDate], [Status], [Updates], [Favorites], [Visits], [Odds]) VALUES (@FirstName, @LastName, @Height, @Weight, @FortyYardDash, @CombineVerified, @HomeNumber, @CellNumber, @Email, @Position, @Commitment, @GraduationYear, @LastUpdate, @NetworkUpdate, @DecisionDate, @MiscContact, @RivalsID, @ScoutID, @ESPNID, @t247SportsID, @PictureID, @StarRating, @NationalHot100Rank, @PositionRank, @JanuaryEnrollee, @Recruiter, @RecruitedPosition, @SummerCamp, @JuniorDay, @SpringGame, @UnofficialVisit, @FootballGame, @OfficialVisitDate, @Status, @Updates, @Favorites, @Visits, @Odds); SET @ID=SCOPE_IDENTITY()" 
    OnInserted="reloadPage"> 

    <SelectParameters> 
     <asp:QueryStringParameter QueryStringField="ID" Name="ID" Type="Int32" /> 
    </SelectParameters> 
    <UpdateParameters> 
     <asp:Parameter Name="DecisionDate" ConvertEmptyStringToNull="true" /> 
     <asp:Parameter Name="NetworkUpdate" ConvertEmptyStringToNull="true" /> 
     <asp:Parameter Name="OfficialVisitDate" ConvertEmptyStringToNull="true" /> 
     <asp:Parameter Name="LastUpdate" ConvertEmptyStringToNull="true" /> 
    </UpdateParameters> 
    <InsertParameters> 
     <asp:Parameter Name="ID" DefaultValue="Int32" Direction="Output" /> 
     <asp:Parameter Name="DecisionDate" ConvertEmptyStringToNull="true" /> 
     <asp:Parameter Name="NetworkUpdate" ConvertEmptyStringToNull="true" /> 
     <asp:Parameter Name="OfficialVisitDate" ConvertEmptyStringToNull="true" /> 
     <asp:Parameter Name="LastUpdate" ConvertEmptyStringToNull="true" /> 
    </InsertParameters> 
    </asp:SqlDataSource>

這裏是我的代碼背後：

protected void reloadPage(object sender, SqlDataSourceStatusEventArgs e) 
{ 

    object newid = e.Command.Parameters["@ID"].Value; 
    lblResults.Text = "Test "+Convert.ToString(newid); 
}

就像我提到的，每次我跑的代碼時，lblResults顯示「3，「但ID在3000範圍內。

來源

2011-10-12 cunjiva

存儲過程有輸出參數，顯示什麼是批處理。我很驚訝這返回任何@ID的東西。也許它是從QueryString獲取該值？嘗試將您的INSERT批次更改爲相應的存儲過程。 – MatthewMartin

您確定標籤沒有被截斷，只顯示最左邊的字符？如果查看源代碼會怎麼樣？它絕對是3在HTML中？ –

您需要使用OnInserted事件，並指定參數的輸出方向：

<asp:Parameter Direction="Output" Name="ID" Type="Int32" />

代碼隱藏：

protected void SqlDataSource1_Inserted(object sender, SqlDataSourceStatusEventArgs e) 
{ 
    int id = Convert.ToInt32(e.Command.Parameter["@ID"].Value); 
}

我還注意到，您設置DefaultValue="Int32"。您應該將其更改爲Type="Int32"。

如果您仍然有應用上述更改後的問題，請嘗試更改SET @ID = SCOPE_IDENTITY到SELECT @ID = SCOPE_IDENTITY。不應該有所作爲，但如果一切都失敗了......

來源

2011-10-12 16:03:31

他是用'方向=「輸出」'有人試圖通過消除這種信息的重要作品「收拾」他的問題。 –

@AbeMiessler：我注意到了，但是謝謝你指出。我只是想我會發布*完整*答案:) –

它的工作！是什麼，我改變了'DefaultValue =「Int32」'爲'類型=「Int32」'和工作。謝謝！這讓我堅持了整整一個早晨。 – cunjiva

你嘗試

SELECT @ID = SCOPE_IDENTITY()

，而不是

SET @ID = SCOPE_IDENTITY()

那是我和完美的作品。

來源

2011-10-12 15:58:35 fahad

不應該有任何區別。兩者都是分配給變量/參數的有效方式。 –

我只是做了你建議的變化，但它仍然會返回一個「3」 – cunjiva

SCOPE_IDENTITY返回錯誤ID

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