Mega Code Archive

 

Categories / ASP.Net Tutorial / Custom Controls

 

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;             }         }     } }