[英]Conversion failed when converting the varchar value '78.60 ' to data type int
[英]Conversion failed when converting the varchar value '@a' to data type int
我正在嘗試更新SQL中的列,但出現此錯誤。
碼:
SqlConnection cn = new SqlConnection("CONNECTION STRING");
SqlCommand com = new SqlCommand("update details set Available='Yes' where License='@a'", cn);
com.Parameters.AddWithValue("@a", num);
cn.Open();
com.ExecuteNonQuery();
cn.Close();
刪除@a周圍的單引號
SqlConnection cn = new SqlConnection("CONNECTION STRING");
SqlCommand com = new SqlCommand("update details set Available='Yes' where License=@a", cn);
com.Parameters.AddWithValue("@a", num);
cn.Open();
com.ExecuteNonQuery();
cn.Close();
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.