我只看到一个错误,就是sql语句: 试试下面的: string mySQL = "DELETE FROM person WHERE id = '"+System.Convert.ToInt32(this.textBox1.Text)+"'"; 用try语句查找异常;
如果楼主的id是数字型 string mySQL = "DELETE FROM person WHERE id = "+this.textBox1.Text; 如果是字符型 string mySQL = "DELETE FROM person WHERE id = '"+this.textBox1.Text+"'";
要用变量的方法不用变量也可以吧,我插入操作就和这差不多,也没有用变量!
请高手指出代码的错误!
试试下面的:
string mySQL = "DELETE FROM person WHERE id = '"+System.Convert.ToInt32(this.textBox1.Text)+"'";
用try语句查找异常;
string mySQL = "DELETE FROM person WHERE id = "+this.textBox1.Text;
如果是字符型
string mySQL = "DELETE FROM person WHERE id = '"+this.textBox1.Text+"'";
惭愧,不过总算给解决了。谢谢各位的帮助!