combobox with manually inserted item append with database item in C#.net window base project

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I want to create a combobox in c# windows base project in which first two items will be manually inserted and after that it will show the items from database table.
for eg.

Select
Add new

product1
product 2

where select and add new is inserted manually from control where as product 1,2 will be append it from database. when click on combobox it should show all the 4 items.
in asp.net we use appent property of control for that but in c#.net I don't know pls help

Posted 30-Mar-13 4:21am

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govardhan4u · Answer 1 · 2013-03-30T04:40:00

It is VB code similary you can do in C#

VB

Dim ddlCargoGrade As DropDownList = CType(lItem.FindControl("ddlItems"), DropDownList)
          ddlCargoGrade.Visible = True
          Dim emptyItem As ListItem = New ListItem("", 0)
          ddlCargoGrade.Items.Insert(0, emptyItem)
          ddlCargoGrade.AppendDataBoundItems = True
          ddlCargoGrade.DataSource = TestCache.Get_All
          ddlCargoGrade.DataTextField = "GetName"
          ddlCargoGrade.DataValueField = "GetId"
          ddlCargoGrade.SelectedIndex = 0
          ddlCargoGrade.DataBind()
          ddlCargoGrade.Visible = False