MySqlConnection("Server=localhost;Database=securitytest; User=root;Password=sx;");
MySqlCommandcmd = new MySqlCommand("Select * from login where username=@username and password=@password", cn);
我有这段代码,我想防止SQL注入...MySqlCommand command = new MySqlCommand("Update Cliente set blacklist='true' WHERE ID ='" + txtid.Text+"'", mConn);我试着这样做:
MySqlCommand command = new MySqlComman
我的数据库程序功能齐全,当我向数据库添加新条目时,它们会正确地出现在我的DataGridView上。但是,在我关闭程序之后,这些更改不会被保存。如何将更改保存回数据库?下面是我的代码: Dim query As String = "INSERT INTO Users VALUES('Something','Test');"
Dim cmd As New SqlC