1
会发生什么如果我们没有在代码中放置base.createchildcontrols(),我只想知道会发生什么。将不创建复合控件而不调用base.createchildcontrols()?如果我们不呼叫base.createchildcontrols()
[ToolboxData("<{0}:Login runat=server></{0}:Login>")]
public class Login : CompositeControl
{
private TextBox txtUsername = new TextBox();
private TextBox txtPassword = new TextBox();
private Button btnLogin = new Button();
protected override void CreateChildControls()
{
txtUsername.ID = "txtUsername";
txtPassword.ID = "txtPassword";
txtPassword.TextMode = TextBoxMode.Password;
btnLogin.ID = "btnLogin";
btnLogin.Text = "Login";
Controls.Add(txtUsername);
Controls.Add(txtPassword);
Controls.Add(btnLogin);
base.CreateChildControls();
}
}
嗨,我明白了你的观点。如果不调用base.createchildcontrols(),我们将失去它提供给我们的复合控件的功能......对吧? – dotnetrocks
@dotnetrocks在这个实例中,不,对于CompositeControl它没有做任何事情。但是其他控件可能不适用。 – dash