String connectionString = "Provider=Microsoft.Jet.OleDb.4.0;Data Source=a.accdb";// 建立连接access:
string sqlString = "insert into [user](username,psw,ip,phone) values('" + username + "','" + psw + "','" + ip + "','" + phone + "')";
OleDbConnection conn = new OleDbConnection(connectionString);
conn.Open();
OleDbCommand cmd = new OleDbCommand();
cmd.CommandText = sqlString;
cmd.ExecuteNonQuery();
MessageBox.Show("添加成功");代码,大家帮我看看啊
string sqlString = "insert into [user](username,psw,ip,phone) values('" + username + "','" + psw + "','" + ip + "','" + phone + "')";
OleDbConnection conn = new OleDbConnection(connectionString);
conn.Open();
OleDbCommand cmd = new OleDbCommand();
cmd.CommandText = sqlString;
cmd.ExecuteNonQuery();
MessageBox.Show("添加成功");代码,大家帮我看看啊
这个是代码,这是什么原因
最好要加[]。