Forms Data Controls :: Binding Value To Combobox Or Dropdown?
Aug 26, 2010How can we bind a value to a combobox or dropdown? What is the property for binding a value?
View 1 RepliesHow can we bind a value to a combobox or dropdown? What is the property for binding a value?
View 1 RepliesI am binding a Datagrid using a query and the dropdown using different query.On the page load i am binding both Datagrid and Dropdown successfully.But on PageIndexChanged event i am unable to bind Dropdown,but binding the grid.How to proceed in this case.
View 4 Replies- i have two drop down lists- ddl_SelectClient, ddl_SelectApplication
- when a client is selected in ddl_SelectClient, i have to show the list of the clients applications in ddl_SelectApplication
- i have written the below code in the ddl_SelectClient_SelectedIndexChanged routine to do the same
- i am getting the error("Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack") in the catch block when the ddl_SelectApplication gets binded
[Code]....
when i am selecting an item in dropdown list datasource is bind and after another selection it is bind again .but i want it bind only once.
View 4 RepliesI have seen several post on this but I cant seem to make any head way. I have a createUserWizard that creates a user and on my CompleteWizardStep I have a drop down that needs data bound to it. The error I am getting is 'Object reference not set to an instance of an object.' Null referenctException my code is:
Dim iSavesCounties As New dsISavesTableAdapters.tbl_countiesTableAdapter
Dim ddNewCounties As DropDownList
ddNewCounties = CType(CreateUserWizardStep1.ContentTemplateContainer.FindControl("ddCounties"), DropDownList)
ddNewCounties.DataSource = iSavesCounties.GetData()
ddNewCounties.DataTextField = "countyName"
ddNewCounties.DataValueField = "countyId"
ddNewCounties.DataBind()
Dim iSavesCounties As New dsISavesTableAdapters.tbl_countiesTableAdapter
I want to bind data from database to Dynamic Grid-view Control with textbox and dropdown using dataset.
I have successfully inserted data to database using this code but now i want to fetch inserted data to same grud view control. i have tried following code. but not getting ans.
SetInitialRow();
string ID = 101;
foreach (GridViewRow row in Gridview2.Rows) {
string str1 = "Select * from VendorInvoiceDetails where Invoice_ID='" + ID + "'";
DataSet ds1 = GEN.GetDataByQuery(str1);
[Code] ....
one drop down list cointains all country list ,when we select thet particular country the other drop down list has to show all the states in that country ,this is what i am thinking to do ,can some one guide me how to do ,and give you give some reference links
View 3 RepliesI know how to bind a simple objects to a dropdown list. However I am having problems binding my objects which contains sub objects to the control.i.e. with simple object i just do ddl.DataValueField = "myproperty"
with my objects they contains sub objects which i want to bind. I have tried ddl.DataValueField = "sub-object.myproperty" which doesnt work.
I am not able bind data to the dropdownlist from database. following is code.
DataTable dtModule = BO.GetBizModel_DDL(ServiceID);
if (dtModule != null)
{
ddlBizModl.Items.Clear();
ddlBizModl.DataSource = dtModule;
ddlBizModl.DataTextField = "BIZ_MODL_NM";
ddlBizModl.DataValueField = "BIZ_MODL_ID";
ddlBizModl.DataBind();
}
dtModule.Dispose();
how one might go about binding to a gridview in ASP.Net 4 in a scenario where the first row of my gridview should be the headers, the second should be a combobox for each column and the third is the beginning of my actual datasource.
If you can imagine what I am trying to achieve is an ability to create a binding between each column in the datagrid and another datasource. This binding is created by the user selecting a value in the comboboxes. However no matter what I try I cant seem to achieve this.
HeaderText1 | HeaderText2 | HeaderText3
ComboBox1 | ComboBox2 | ComboBox3
DataRow1 | DataRow1 | DataRow1
DataRow2 | DataRow2 | DataRow2
DataRow3 | DataRow3 | DataRow3
Is it possible to change the font and font size of the data in the dropdown of a Combobox?
I've tried;
.CustomComboBoxStyle .ajax__combobox_itemlist li {
width: 150px;
font-family:Verdana;
font-size:smaller;
}
and setting the CssClass to it, but doesn't affect the font. I can adjust the width of the dropdown object, but I need to change that gawd awful font.
Does anyone have any code or any examples of a treeview within a dropdown/combobox for a Windows Mobile application? I've been searching high and low, but I haven't found anything. I've seen the control for Windows Forms applications, but it doesn't translate when i try to change it for Mobile.
View 3 RepliesThe combobox which comes with the new ajaxcontroltoolkit doesnot work with the cascadingdropdownlist contrrol already with the ajaxcontroltoolkit old version.
View 1 RepliesI've just downloaded the latest Ajax libraries. I have a web site with dozens of ComboBoxes that worked fine until intalling the new libraries. Now the combobox dropdown lists, show behind the other ComboBoxes on the page.There was also an issue where the dropdown lists didn't display in the proper position, the div they are contained in is set to Position:Relative, I had to add position:absolute ! important along with coordinates of coarse to the css .WindowsStyle ul
View 1 RepliesI'm trying to implement live binding, purely imperatively . In my example , I have a master view , which is populated using json array. In the detail view ,I'm just setting the value of a prepopulated combo box . But , the moment the bind statement is executed, the combobox (select element) becomes null. This works perfectly when done declaratively. Below is the code for imperative binding. This function is triggered when an item in the masterview is selected.
function execCommand(sender, args) {
// Create dataview for details section
var detailsView = $create(Sys.UI.DataView, null, null, null, $get("div2"));
$get("div2").className = "sys-template";
// bind the dataview to the selected data from the master
var b = Sys.bind(detailsView, "data", sender, "selectedData");
// after the above line of code is executed, the select element with id "myselect" becomes null.
//alert($get("myselect"));
// bind the value attribute of the combo box to the "Description" property of the binded data
var x = Sys.bind($get("myselect"), "sys:value", detailsView.get_data(), "Description");
//hence when the above line of code is executed , nothing happens :( ,i.e the value of the combo box doesn't get set
// alert($get("myselect"));
}
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SysObserverSampe.aspx.cs" Inherits="SysObserverSampe" %>
<!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">>....................................
i want to add leading space in dropdown list after binding from DB.
for that i used leftpad method but not working.
code are as below
[Code]....
i have a dropdown with month names if the user has data for the month tht is selected then gridview displays the rows with day nos as per the month but if the gridview has no data for the same the dropdown or gridview via some event should call a insert procedure to insert data into the table for tht month with daynos ad rebind the gridview witht the rows just created
View 6 RepliesI have set the Dropdownstyle to DropDown but its still not highlighting the item in the list
<ajaxToolkit:ComboBox ID="cmbstudentid" runat="server"
AppendDataBoundItems="True" AutoPostBack="True"
Font-Names="Tahoma" Font-Size="Small" [code]....
I have the following string which is a list of urls. How do I get this to work so the url shows for the selection and also is the value?
[Code]....
ArgumentNullException: Value cannot be null.
Parameter name: container]
System.Web.UI.DataBinder.GetPropertyValue(Object container, String propName) +121
System.Web.UI.DataBinder.GetPropertyValue(Object container, String propName, String format) +8
System
I have a gridview where i have two fields. one is product and second is sub category.
I need to do 2 things.
1. I need to populate the two combos from the database. But depending what is selected in dropdown 1 this will determine what needs to be populated in drop down 2?
how can i achieve this?
I have two dropdown linked with sqldatasources.When I select item in ddl1 then on the basis of selection ddl2 is being loaded.Is there any possiblity that if I select ddl2 then ddl1 will also load on the basis of selection?
View 3 RepliesI've currently got a form with two dropdown boxes on, and an XML file sitting on the site.
My two drop down boxes are Location and Date and what i'm trying to do it get the Location box to filter the XML and put the dates in the Date dropdown box.
I'm using C#.
Unfortunatly, its not working.
My code is:
[Code]....
and my XML is like this:
[Code]....
why my dropdown boxes are not being populated?
I have the following setup:
1. A Gridview presenting data
2. A detailsView used to edit data in the gridview (used with a modelpopup extender).
In using the detailsview to add a new record, one of the data feilds should be selectable whilst also allowing the user to add to the list . Initially I implemented a DropDownList which works fine but doesn't allow adding entries. I tried replacing the DropDownList
with an Ajax ComboBox however the control doesnt seem to work as advertised. I have performed a quick search on the web and have found others reporting this issue (Ajax combobox in a detailsview) but no solutions.
What would be a way of presenting to a user in a detailsview a range of values to select from whilst allowing them to add to that list?
Im using a combobox that seems to be wider than it should be. Does anyone have a suggestion or fix for the problem.
View 3 RepliesHiI am trying to send null value from my combobox and check it if its null in sp.
IF @Param1 IS NOT NULL
BEGIN
SET @Param1=@Param1
END
ELSE
BEGIN
SET @Param1=' IS NULL'
END
mmsDataContext mms = new mmsDataContext();
RadGrid1.DataSource = mms.SON(Country.SelectedItem.Value);
RadGrid1.DataBind();