C#数据库附近语法错误

Question

C#数据库连接总是出这个问题 求大佬解答

Answer 1

从代码来看，应该是C_Sname为空，或者不是正确的字段名造成的 建议修改为: public void UpdateFinalScore(string Sname, string C_Sname) {//修改FinalScore表的成绩 if(string.IsNullOrEmpty(C_Sname)){ return; } SqlConnection conn = new SqlConnection(Properties.Settings.Default.GradeManagementSystemConnectionString); SqlCommand comm = new SqlCommand("update FinalScore set [" + C_Sname + "] = '0' where Sname='" + Sname + "' ", conn);