How To Populate A Date Textbox From A Dropdown List

Nov 17, 2010

I have a dropdown list with the names of the months listed in it. These names are stored as int values but converted to string for display purpose. I also have a RadDatePicker control that will allow the user to select a specific date to overwrite the default date. The default date in the textbox needs to be set to the last day of the month selected (i.e. May 2010 would default to 05/31/2010).

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Web Forms :: Populate Textbox Using SQL Database Query / Depending On A Dropdown List Selection

Apr 8, 2010

I would like to alter the query that is run, depending on the selection made by the user in a drop down list on the same page. Would this best be done using a partial page update (AJAX)? Ideally it would be great to have the textbox result change quickly once the drop-down list value has changed, without a full page postback. I would like to change the SQL query to a completely different query if the user selects an option different to the default (page_load value) in the drop-down list. I would then like the newly retrieved result to be displayed in the textbox as before.

My current VB function looks like this:

[Code]....

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Templates - Populate List Items In Dropdown List From Placeholder?

Feb 24, 2010

I'm designing my own custom control that contains a .NET dropdownlist. What I'm wondering is if it is possible to populate my dropdownlist with listitems placed in a placeholder? For example:

<asp:DropDownList ID="ddlFilter" runat="server" >
<asp:PlaceHolder ID="ListItemPlaceholder" runat="server"/>
</asp:DropDownList>

This doesn't work because the DropDownList control only allows ListItems as child controls. But, I want to do something similar to this so when the user includes my control on a page, they can do something like this:

<mytag:MyControl Mode="DropDown" runat="server">
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I know I can do this by dynamically adding the ListItems in the page code behind, but I'd like to avoid that if possible.

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Feb 8, 2011

I'm trying to populate a dropdown list from a list of existing SQL tables in a database. Does anyone have a code sample for doing this?

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Web Forms :: Dynamically Populate Dropdown List From Another?

May 26, 2010

i've run into small problem, here's the thing: i've got a dropdown list (ddlist1) that i am populating from a database, that works fine. However, depending on the option selected here, i need to populate another dropdown list (ddlist2). for example, if on ddlist1 i select option 1, on ddlist 2 i should get a list of options related to option 1 from ddlist1. If i select option 2, on ddlist 2 i should get a list of options related to option 2 from ddlist 1. and so forth. this information with which ddlist needs to be filled, comed from another database. o how can i go about this? m not sure yet how to code the second ddlist.

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Mar 2, 2010

i have 3 dropdown list box 3rd dropdown populate depending on 2nd drop down and 2nd drop down populate depnding on 1st value of drop down in asp .NET C#

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Web Forms :: How To Use Arrays To Populate Dropdown List

Nov 18, 2010

how do i initaize array in just one line so that dropdown list can be populated easily.

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I know this method:
Dim a(1) As ListItem

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Dropdown List Won't Populate Values From Database?

Oct 4, 2010

I'm stuck with a problem to populate a DropDownList control with values from the database using item field template in read only mode. since I'm new to ASP.NET. Below is the code and the error I'm getting:

'PictureReadOnlyCategories' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentOutOfRangeException: 'PictureReadOnlyCategories' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value

The code for this is :

<asp:SqlDataSource ID="categoriesDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand ="SELECT [CategoryID], [Name] FROM [Categories] WHERE ([UserId] = @UserId)">
<SelectParameters>

[Code]....

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Oct 7, 2010

I need getting a drop down list selection to populate a calendar. The user selects a vehicle from the dropdownlist and based on that selection, the calendar needs to populate a link with drivers names on whatever days the vehicle is rented out for.

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Dropdown List Wont Populate Values From Sql Database?

Oct 6, 2010

I have an application as: SelectCommand="SELECT [CategoryID], [Name], [UserId] FROM [Categories] WHERE ([UserId] = @UserId) ORDER BY [Name]">

</asp:SqlDataSource>
Pick a category: <asp:DropDownList ID="categories" runat="server" AutoPostBack="True"
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When i take away the <SelectParameters>

<asp:QueryStringParameter Name="CategoryID" QueryStringField="ID" />
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Databases :: Using Result Of Dropdown List To Populate MySQL Parameter?

Apr 14, 2010

The problem I have is that I've got a simple ASP.NET page. On it, I have a dropdownlist that is calling values from a MySQL table.

When I select a value from the list, I want to create/update a GridView.

I've created the code, which works if I hard code the parameter, but I want to use the DataValueField from the drop down list.

Is this possible?

[Code]....

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Forms Data Controls :: Populate A Dropdown List With Web.config?

Feb 18, 2010

I normally have a function to populate my dropdown list with the database values.

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ADO.NET :: Object Oriented Linq - Populate Second Dropdown List With Results?

Sep 23, 2010

I am wondering into the unknown field of OOA and was looking for a way to separate my business logic from my UI. A small example is as followed:

Two DropDowns where the second one is depended on the selection in the first DropDown. You have Cars, planes, etc. inm the first DropDown and Toyota, Chrysler, etc in the second (depending on the value in the first DD.I have som Lin syntax. The file is situated in the App_Code folder and NOT as code behind. [Code]....

I would like to know how i can make populate my second Dropdown list with results. At this point it's just putting in the complete ProductSubCategory.

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Using a gridView to read some data from a SQL database. The user can select a record in the gridview. On the SelectedIndexChanged property I populate this to a couple of text boxes & drop down list; txtCountry,ddlProvince,ddlCity.

I have special characters in France ( accent marks) and when I populate it to the drop down list it fails giving out the error message "SelectedValue which is invalid because it does not exist in the list of items".

Example of items that I try to populate are as follows. ( separated by commas) ÎLE-DE-FRANCE , PROVENCE-ALPES-CÔTE D'AZUR , RHÔNE-ALPES, DRÔME,ISÈRE ........ When I looked in the drop down lists for Province and Cities I see those Provinces there in the item list. When I debug line by line the word ÎLE-DE-FRANCE comes out like LE-DE-FRANCE which is not there in the drop down list. Got to know the Î is typed by pressing down ALT+206 and lloks like this is what is coming in at the start of the string above.

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I need to populate a dropdown list with users who match certain role criteria. For example, if I have the following roles: Manager, Employee, Supervisor I would like to populate the list with only the Manager and Employee roles. Some individuals have multiple roles and they should be excluded if they also have the Supervisor role as illustrated below:

Name: A , Role(s): Manager, Employee, Supervisor

Name: B, Role(s): Employee

Name: C, Role(s): Manager, Employee

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populating the dropdownlist with column name. I have a gridview that has 7 columns . I want to have a textbox search and dropdownfield where user can select column name and type a word in search box and click search so that text for that column name is being search and displayed in grid. how I can fetch just column names from DB and search ?

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<
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[Code]....

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I would like to have a date(txtDate), that is inputed into a txtbox via a calender, auto populate another textbox witha date 45day(txt45Date) in the future as well as 90 Days(txt90Date)? I have done an auto calculation before but this was with digits not dates. Is this is possible? If so will my attached script work

[Code]....

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Aug 2, 2010

I have a textbox control and a checkbox list control on my page.

I am first populating my checkbox list with a list of employee objects in the code-behind. An employee has an id and a name. Both are displayed in the checkbox list like so:

Jim (1)
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Gary (3)

When a user checks one of the boxes, the employee's name needs to be populated in the textbox. So if Jim is selected, the textbox value is "Jim". It also needs to support multiple values, so if Jim and Gary are selected, the textbox value is "Jim, Gary".

Also, if a user enters a valid value in the textbox, the correct employee should be checked. This needs to support names and id's. So if I enter "1,Alex" in the textbox and then click outside the textbox, Jim and Alex should be selected.

I'm using ASP.NET and I need to do this using AJAX, but I have no experience with using jQuery and AJAX. Could someone show me a simple example of how to do this?

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I am displaying data with in textboxes in gridview here user will change the values my problam is how to get the gridview data and assign it to List?

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Feb 17, 2011

I got one web page which is developed by using Asp.net. and in that page I have got one tab control which developed by using Ajax control toolkit (tab container). In that tab container i have got three tab pannels. In the first tab pannel have got two drop down list boxes and one image control box. wat I was trying to do is that by using calendar extender control in ajax control toolkit i was trying to display a day in the first drop down list box and month and year in second drop down list box. when user click on image control during run time a small calender will pops up and then user will select the propective date according to there choice and when they have finish selecting the date from the calender a day will display on first drop down list box and month and year will display on second drop down list box.

I was keep trying to do that but i was failed. then i took one test box from the toolbox and i was got success in displaying the user selected date in the text box by using ajax calender extender. How to display that date instead of one textbox into two separate drop down list boxes from which a user can select manual date from drop down list as well and from the calendar as well also when the page loads, the two drop down list boxes must show current date ( by default)

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Forms Data Controls :: How To Populate A Textbox Inside FormView From Drop-down List

Dec 21, 2010

I have a drop-down list that is wired up to a datasource from one table to retrieve a Vendor ID and Vendor Name. This ddl is outside a FormView that is wired up to a datasource containing Vendor contracts.

When I choose a Vendor from the ddl, I am able to populate a textbox outside of FormView with the Vendor ID from the ddl. However, what I need to do is populate a textbox within FormView with the Vendor ID. FormView is in Insert Mode by default since my page will be used for Adding Contracts only.

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