Building Hybrid Controls : CompositeControl « Custom Controls « ASP.NET Tutorial

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ASP.NET Tutorial » Custom Controls » CompositeControl 
14. 20. 2. Building Hybrid Controls
File: Login.cs

using System;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace myControls
{
    public class Login : CompositeControl
    {
        private TextBox txtUserName;
        private TextBox txtPassword;

        public string UserName
        {
            get
            {
                EnsureChildControls();
                return txtUserName.Text;
            }

            set
            {
                EnsureChildControls();
                txtUserName.Text = value;
            }
        }

        public string Password
        {
            get
            {
                EnsureChildControls();
                return txtPassword.Text;
            }

            set
            {
                EnsureChildControls();
                txtPassword.Text = value;
            }
        }

        protected override void CreateChildControls()
        {
            txtUserName = new TextBox();
            txtUserName.ID = "txtUserName";
            this.Controls.Add(txtUserName);

            txtPassword = new TextBox();
            txtPassword.ID = "txtPassword";
            txtPassword.TextMode = TextBoxMode.Password;
            this.Controls.Add(txtPassword);
        }

        protected override void RenderContents(HtmlTextWriter writer)
        {
            writer.RenderBeginTag(HtmlTextWriterTag.Tr);

            writer.RenderBeginTag(HtmlTextWriterTag.Td);
            writer.AddAttribute(HtmlTextWriterAttribute.For, txtUserName.ClientID);
            writer.RenderBeginTag(HtmlTextWriterTag.Label);
            writer.Write("User Name:");
            writer.RenderEndTag()// Label
            writer.RenderEndTag()// TD

            writer.RenderBeginTag(HtmlTextWriterTag.Td);
            txtUserName.RenderControl(writer);
            writer.RenderEndTag()// TD

            writer.RenderEndTag();
            writer.RenderBeginTag(HtmlTextWriterTag.Tr);

            writer.RenderBeginTag(HtmlTextWriterTag.Td);
            writer.AddAttribute(HtmlTextWriterAttribute.For, txtPassword.ClientID);
            writer.RenderBeginTag(HtmlTextWriterTag.Label);
            writer.Write("Password:");
            writer.RenderEndTag()// Label
            writer.RenderEndTag()// TD

            writer.RenderBeginTag(HtmlTextWriterTag.Td);
            txtPassword.RenderControl(writer);
            writer.RenderEndTag()// TD

            writer.RenderEndTag()// TR
        }

        protected override HtmlTextWriterTag TagKey
        {
            get
            {
                return HtmlTextWriterTag.Table;

            }
        }

    }
}
14. 20. CompositeControl
14. 20. 1. Building Composite Controls
14. 20. 2. Building Hybrid Controls
14. 20. 3. Performing layout with an HTML table.
14. 20. 4. Item Rotator
14. 20. 5. Image Rotator
14. 20. 6. Creating a Default Template
14. 20. 7. File: Product.cs
14. 20. 8. Supporting Two-Way Databinding
14. 20. 9. Creating Templated Databound Controls
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