Question

C#提示','附近有语法错误，急！！！在线等！！！！

string conn = "Data Source=.;Initial Catalog=电子书架;Integrated Security=True";
SqlConnection connection = new SqlConnection(conn);
string sql=String .Format ("select 图书编号,书名,作者,出版社,类型,年份,图书简介 from 图书基本信息 where 书名={0}",textBox2.Text );
try
{
connection.Open();
SqlCommand command = new SqlCommand(sql, connection);
SqlDataReader dt = command.ExecuteReader();
textBox1.Text = (dt[0].ToString());
textBox2.Text = (dt[1].ToString());
textBox3.Text = (dt[2].ToString());
textBox4.Text = (dt[3].ToString());
textBox5.Text = (dt[4].ToString());
textBox6.Text = (dt[5].ToString());
textBox7.Text = (dt[6].ToString());
}

Answer 1

书名={0} 这里，如果书名是字符串类型的话，大括号两边应该有单引号，修改了有错误再追问吧。

Answer 2

运行出错误时错误列表边上有个局部变量，从那里面检查sql语句

Answer 3

try下面应该有cath