1
我編程的應用程序目前,我想一個新的項目添加到本地數據庫SQLLite:Azure離線同步。無法添加項目「查詢執行失敗,結果:'MISMATCH'」。
public async Task SaveTaskAsync(Fault item)
{
try
{
if (item.Id == null)
{
await FaultTable.InsertAsync(item);
}
else
{
await FaultTable.UpdateAsync(item);
}
}
catch (Exception ex)
{
}
}
但聲明await FaultTable.InsertAsync(item);
與以下錯誤結束了:
「Microsoft.WindowsAzure.MobileServices。 Sync.MobileServiceLocalStoreException:無法在本地存儲上執行操作。「
內部例外: 「SQLitePCL.SQLiteException查詢執行失敗,結果:'MISMATCH'。」
堆棧跟蹤內部異常的:
at Microsoft.WindowsAzure.MobileServices.SQLiteStore.MobileServiceSQLiteStore.ValidateResult (SQLiteResult result) [0x00023] in <filename unknown>:0
at Microsoft.WindowsAzure.MobileServices.SQLiteStore.MobileServiceSQLiteStore.ExecuteNonQuery (System.String sql, IDictionary`2 parameters) [0x00057] in <filename unknown>:0
at Microsoft.WindowsAzure.MobileServices.SQLiteStore.MobileServiceSQLiteStore.BatchInsert (System.String tableName, IEnumerable`1 items, System.Collections.Generic.List`1 columns) [0x000f5] in <filename unknown>:0
at Microsoft.WindowsAzure.MobileServices.SQLiteStore.MobileServiceSQLiteStore+<>c__DisplayClass10_0.<UpsertAsyncInternal>b__0 (System.Threading.Tasks.Task t) [0x00058] in <filename unknown>:0
at System.Threading.Tasks.ContinuationTaskFromTask.InnerInvoke() [0x00027] in /Users/builder/data/lanes/2923/52635947/source/mono/external/referencesource/mscorlib/system/threading/Tasks/TaskContinuation.cs:63
at System.Threading.Tasks.Task.Execute() [0x00016] in /Users/builder/data/lanes/2923/52635947/source/mono/external/referencesource/mscorlib/system/threading/Tasks/Task.cs:2502