Question

C#查找数据问题（简单）代码如下：请问错在哪里 要怎么修改 string group = string.Format("

Answer 1

试试这个 string group = string.Format("Select GroupID from IntoFiled where ACardID='{0}'",this.textBox1.Text); this.textBox2.Text = group; SqlDataReader dr = DBHelper.ExecuteReader(group); dr.Close(); DBHelper.connection.Close();