[英]error while insert a record to ms access
我已經執行了上面的查詢,但出現錯誤:
{System.Data.OleDb.OleDbException: Syntax error. in query expression
'Select [UserID] from UserDetails'
我的示例代碼如下:
OleDbCommand cmd1 = new OleDbCommand("Insert into UserCompanyDetails([UserID],[CompanyID]) values (" + "Select [UserID] from UserDetails" + "," + "Select @@identity" + ");", conn);
conn.Open();
cmd1.ExecuteNonQuery();
conn.Close();
為什么會出現此錯誤?
您應該將子查詢放在括號之間:
"Insert into UserCompanyDetails([UserID],[CompanyID]) values ((Select [UserID] from UserDetails),(Select @@identity))"
另一種方法:
嘗試將以下查詢的結果保存在各自數據類型的變量中。
Select [UserID] from UserDetails
Select @@identity
然后,您只需在主查詢字符串中使用這些變量
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