如何在DropDownList vb.net中绑定值 [英] How to bind the Value In DropDownList vb.net

问题描述

Hai我从Datatable绑定值DropDownList，当时我在DropDownList中获取列表结果显示如下System.Data.DataRowView下面是我的代码

  Dim  Cliedrop  As  新 DataTable 
 Cliedrop.Columns.Add（ 状态， GetType （ String ））
 Cliedrop.Rows.Add（< span class =code-string> 采取的行动）
 Cliedrop.Rows.Add（ 已修复）
 Cliedrop.Rows.Add（ < span class =code-string>拒绝）
 Cliedrop.Rows.Add（  Pending-Move Out Request）
 
 CallStatus.DataSource = Cliedrop 
 CallStatus.DataBind（）

 <   asp：DropDownList     ID   =  CallStatus    CssClass   =  droptownBox    runat   =  server    OnSelectedIndexChanged   =  CallStatus_SelectedIndexChanged  
   
                                                           AutoPostBack   =  true >  
 <   asp：ListItem  > 打开<   / asp：ListItem  >  
 
 <   / asp：DropDownList  >  

解决方案

添加以下给定的代码。在调用DataBind（）方法之前。



1.使用此行指定状态列以显示在TextField中。

 CallStatus.DataTextField =  状态 

2.使用此行指定要在ValueField中显示的Status列。

 CallStatus.DataValueField =  状态 

Hai i am Bind the value DropDownList from Datatable at the time i am getting the list in DropDownList result showing like this System.Data.DataRowView below is my code

Dim Cliedrop As New DataTable
                Cliedrop.Columns.Add("Status", GetType(String))
                Cliedrop.Rows.Add("Action Taken")
                Cliedrop.Rows.Add("Fixed")
                Cliedrop.Rows.Add("Reject")
                Cliedrop.Rows.Add("Pending-Move Out Request")

                CallStatus.DataSource = Cliedrop
                CallStatus.DataBind()

<asp:DropDownList ID="CallStatus" CssClass="droptownBox" runat="server" OnSelectedIndexChanged="CallStatus_SelectedIndexChanged"

                            AutoPostBack="true">
                            <asp:ListItem>Open</asp:ListItem>

                        </asp:DropDownList>

解决方案

Add the below given code. Before calling "DataBind()" method.

1. Use this line to assign column "Status" to show in "TextField".

CallStatus.DataTextField = "Status"

2. Use this line to assign column "Status" to show in "ValueField".

CallStatus.DataValueField= "Status"

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