string conn="Data Source=localhost;Initial Catalog=zslDatabase;User ID=sa;password=sa";
string sele1 = "select * from 管理员 where 名称=user and 密码=zsl";
SqlCommand sqlSelectCommand1;
SqlConnection myconn = new SqlConnection (conn);
myconn.Open();
sqlSelectCommand1 = new SqlCommand(sele1,myconn);
SqlDataReader dr = sqlSelectCommand1.ExecuteReader();
if (dr.Read())
MessageBox.Show("密码正确");
else MessageBox.Show("密码或用户名错误");
dr.Close();
调试是在SqlDataReader dr = sqlSelectCommand1.ExecuteReader();行出现 第 1 行: '=' 附近有语法错误 的错误。