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A custom Databound Dropdownlist using LINQ
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| <%@ Page Language="C#" AutoEventWireup="true" CodeFile="databoundHybridControl.aspx.cs" Inherits="databoundHybridControl" %> | |
| <%@ Register TagPrefix="DBadvHC" Namespace="databoundHybrid" %> | |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head runat="server"> | |
| <title></title> | |
| </head> | |
| <body> | |
| <form id="form1" runat="server"> | |
| <div> | |
| <DBadvHC:hybridControlDB ID="hcDB_main" runat="server" /> | |
| </div> | |
| </form> | |
| </body> | |
| </html> |
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| using System; | |
| using System.Web.UI;//imported | |
| using System.Web.UI.WebControls;//imported | |
| using System.Linq; //imported | |
| /// <summary> | |
| /// Summary description for databoundHybridControl | |
| /// </summary> | |
| namespace databoundHybrid | |
| { | |
| public class hybridControlDB : CompositeControl | |
| { | |
| productClass objProd = new productClass(); | |
| private DropDownList _ddlProducts; | |
| protected override void CreateChildControls() | |
| { | |
| //DropDownList | |
| _ddlProducts = new DropDownList(); | |
| _ddlProducts.ID = "ddl_products"; | |
| _ddlProducts.DataSource = objProd.getProducts(); | |
| _ddlProducts.DataTextField = "name"; | |
| _ddlProducts.DataBind(); | |
| this.Controls.Add(_ddlProducts); | |
| } | |
| } | |
| } |
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| using System; | |
| using System.Collections.Generic; | |
| using System.Linq; | |
| using System.Web; | |
| /// <summary> | |
| /// Summary description for productClass | |
| /// </summary> | |
| public class productClass | |
| { | |
| LinqClassDataContext objProdDC = new LinqClassDataContext(); | |
| public IQueryable<product> getProducts() | |
| { | |
| var allProducts = objProdDC.products.Select(x => x); | |
| return allProducts; | |
| } | |
| } |
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