我得到這個錯誤時,我想讀表異常:從SQL表中選擇,但有拋出
System.Data.SqlClient.SqlException(0x80131904):附近有語法錯誤「」。 在System.Data.SqlClient.SqlConnection.OnError(SqlException異常,布爾breakConnection,動作
1 wrapCloseInAction) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action
1 wrapCloseInAction) 在System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj,布爾callerHasConnectionLock,布爾asyncClose) 在System.Data。 SqlClient.TdsParser.TryRun(RunBehavior runBehavior,SqlCommand的cmdHandler,SqlDataReader的數據流,BulkCopySimpleResultSet bulkCopyHandler,TdsParserStateObject stateObj,布爾& dataReady) 在System.Data.SqlClient.SqlDataReader.TryConsumeMetaData() 在System.Data.SqlClient.SqlDataReader.get_MetaData( ) at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds,RunBehavior runBehavior,String resetOptionsString)在System.Data.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior,RunBehavior runBehavior,布爾returnStream,布爾異步,Int32超時,任務&任務,布爾asyncWrite,SqlDataReader DS,布爾describeParameterEncryptionRequest) 在System.Data.SqlClient.SqlCommand。 RunExecuteReader(CommandBehavior cmdBehavior,RunBehavior runBehavior,Boolean returnStream,String method,TaskCompletionSource`1 completion,Int32 timeout,Task & task,Boolean asyncWrite) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior,RunBehavior runBehavior,Boolean returnStream, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior,String method) at System.Data.SqlClient.SqlCommand.ExecuteReader() at hamsohbat.Form1.showFriends(Update update)in C:\ Users \ Soroush \ documents \ visual studio 2015 \ Projects \ hamsohbat \ hamsohbat \ Form1.cs:line 327 at hamsohbat.Form1.GetUpdates(Int64 ii,Int32 offset )在C:\ Users \ Soroush \ documents \ visual studio 2015 \ Projects \ hamsohbat \ hamsohbat \ Form1.cs:行113 ClientConnectionId:02ad4c40-e0e7-47ac-91cc-ad88bcdf057d 錯誤號:102,狀態:1,類:15
我的代碼的相關部分是:
using (SqlConnection con = new SqlConnection(@"Data Source=.\sqlexpress;AttachDbFilename=" + Directory.GetCurrentDirectory() + @"\MembersDB.mdf;Integrated Security=True;User Instance=True"))
{
foreach (Int32 x in matches)
{
con.Open();
using (SqlCommand cmd = new SqlCommand("SELECT ([UserName], [FName], [LName], [NickName]) FROM [Table] WHERE [TelegramId]=" + x.ToString(), con))
using (SqlDataReader reader = cmd.ExecuteReader())
while (reader.Read())
bot.SendTextMessage(update.Message.Chat.Id, "Nick: " + reader["NickName"].ToString() + "\nFirst Name: " + reader["FName"].ToString() + "\nLast Name: " + reader["LName"].ToString() + "\nTelegram ID: @" + reader["UserName"].ToString());
}
}
我把一些sendmessages我的代碼,以追蹤它的線條和之間我認爲這個問題是關於這一行(也許我錯了):
using (SqlCommand cmd = new SqlCommand("SELECT ([UserName], [FName], [LName], [NickName]) FROM [Table] WHERE [TelegramId]=" + x.ToString(), con))
和我的表列編號,TelegramId,用戶名,FName參數,LName的,暱稱
感謝您對SELECT查詢您的關注
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