Forms Data Controls :: Populating Multiple List Boxes Concurrently?
Jul 1, 2010
I have an ajax tab control and on each tab (4) there is a list box. Above the tab control is a button. What the user can do is select a tab, press the button to run the process. Each of the 4 processes does it's magic in the back ground and then dumps messages as it progresses to the list boxes. They work fine if I only run 1 and stay on that tab.
What I want to be able to do is to start a process on a tab, switch to another tab and start the process and be able to go back and forth to each tab to see the progress. Each tab has it's own timer control as well (set to 10 seconds).
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Similar Messages:
Apr 30, 2010
I am running into some additional difficulties with dropdown lists, and I'm hoping you can correct my thinking.
I have a table populated with items; ITEM_ID, ITEM_NAME, ITEM_COST.
Here is my code:
[Code]....
With this code I get this error: DataBinding: 'ITEM' does not contain a property with the name '2'.
If I remove the assignment of DataSource to c1, the dropdown generates this error: 'DropDownList3' has a SelectedValue which is invalid because it does not exist in the list of items.
Parameter name: value
How should I code this so that the user is presented with a list of ITEM_NAMES, and that the ITEM_ID is stored in the value field so I can use it when the selection event is fired? I know I could databind the source directly to the dropdown list, but I am trying to understand the behind the scenes working of a dropdown list object.
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Jan 27, 2011
what the problem is that i want to populate drop down list manually
but the thing is i have 3 drop down lists
in first one user will select table name from where the data of 2nd Drop Down list will come
suppose user selected seo then the sql query would be select project_name from dropdownlist1.selecteditem
and this query will show project_name column of seo table in dropdownlist2
then user will select any project name from dropdownlist2 suppose he select salveo so i want that my text box will get populate with project_id of project_name
suppose the project_id of salveo is 123 then automatically in textbox it will enter 123
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Jun 24, 2010
I have drop down list box that I would like to show two columns, is this possible? Or can it be done with a list box?The query correctly retrieves all of the table data to be displayed, one colum is an abbreviation, the other a bit longer description.
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Apr 7, 2010
I'm trying to retrive data from an SQL server db and populate one of the columns into a drop down list.
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Jan 20, 2011
Using C# and SQL as the database.I have a page with a gridview and some text boxes and drop down list boxes. A user selects a record from the grid view I query the database and fill the text boxes and drop down list boxes.
Some fields get updated periodincally thus there is no data in those fields in the database until some time.
A strange thing happens.When filling data some text boxes gets a one tab spacing .
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May 26, 2010
I have 3 dropdownlist controls for use with capturing birth dates. One captures the month, the next the day and the next the year. Rather than having to use 3 different xml files to populate the controls I want to be able to use just 1 xml file, but I haven't been able to work things out. I thought this would work:
<dates>
<date month="1"/>
<date month="2"/>[code]....
I thought I'd be able to assign the datatextfield of month, day or year to a given control, but this isn't working. They show up in the datatextfield dropdown in properties, but when I try to view the page in a browser I get an error that tells me the field (i.e., day) does not exist. Is there a way I can accomplish this? I am developing an ASP.NET 2.0 site in VS 2005.
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Mar 9, 2011
I have a dropdown control that has a list of names in it called PlayerNameDropDownList_Insert and a textBox called PlayerName.
When I select a name from the dropdown it populates the textbox correctly.However, when the page opens the first name is selected in the dropdown but nothing in the textbox. How can I get the textbox to populate with the value of the dropdown at pageload?
[Code]....
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Mar 26, 2010
I have two dropdown list boxes I select the first one and I get the index value of what i selected say item number 2,Using that indexvalue I would like to acccess the second dropdown box and get the value of it Both boxes will have the same amount of items in it.
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Jan 8, 2010
I had called the data from query to data table and now i have a gridview in which i am using one datalist and 2 text boxes and and reming coloumns are bounded iahve to assiaign them values which datatable have either null or any value.
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Mar 18, 2011
I'm trying to progam a strongly typed "Create" view using MVC 3 and razor. I want the user to be able to select a customer from a dropdown list (I populated this from my database using ViewBag in the controller). When the user has selected a customer I want a separate dropdown list to generate a list of dogs belonging to that customer related by the customerID in the database. The create button on the form will then take both of these values along with the the other fields and save it to the database.
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Apr 16, 2010
I am trying to populate table column names into a dropdown list . how can I query using Linq to SQL to just get the list of few Column names ? in a method in DAL which I can use to load in my UI page !!
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Jun 8, 2010
I cannot seem to resolve in my head! I have a database with 4 of the columns having TRUE/FALSE values and I want to list the columns with TRUE values in a vertical list. The problem I am having is that when I tried to make visible=FALSE, then I have a gap in the list.
[Code]....
I cannot see how to shape the SELECT statement to include only columns with a TRUE value and I cannot figure out how to filter a control to only display labels with a TRUE value.
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Jan 13, 2010
I know this is kind of simple in my head but the logic has been driving me nuts going through it. I'm trying to build a string from 2 list boxes. Once they select an item in the first list box (that's pulling the list items dynamically from a database), then the second list box appears. Once they select the second list box the video player below it displays a flash video that they chose based on which camera and the date/time of that particular camera. The path for the flash video (.flv) is in the database. I get everything to work up to displaying the flv player but it doesn't play the video since the path to the flv isn't there. Here is the code I currently have along with the queries.
[Code]....
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Dec 3, 2010
I was able to gather a value from a gridview based on a selected checkbox. However, I would like to be able to grab multiple values instead of just one. I tried using a for loop to gather my information and populate labels as a test. However, that caused an error. This is the code I currently have to use.
foreach (GridViewRow gvr in GridView1.Rows)
{
if (((CheckBox)gvr.FindControl("CheckBox1")).Checked)
{
lblTest.Text = gvr.Cells[1].Text;
}
}
How to gather multiple values and populate other labels? the other labels are labeled accordingly as lblTest2 and lblTest3. I currently am gathering my data from a gridview and only want to pull the StaffID from gvr.Cells[1].text.
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Aug 17, 2010
In my application binding list is used to to bind the Data to Grid view. Now the requirement is to sort on 3 columns when I bind the data to the Grid View . How can I do this?
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Jun 23, 2010
I have a Drop Down List that has some items in it, I have a switch set up that will clear and repopulate the drop down list from a sql server db depending on which item is chosen. When the list is repopulated from a database table I want to use an if statement to do something based on which item is chosen. I've tried to use an if statement but no matter what I try, the code checks the if statement for the original items in the drop down list, not the items that repopulated the drop down list.
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Mar 19, 2010
I want to populate a Dropdown list from divisons of a figure in my projects database
for example database figure 50
I want the dropdown list to show 5,10,15,20,25,30,35,40,45,50
The database figure wont always be the same.
how would i go about doing this ? esp the populating of the dropdown list itself based on the way i want to show it.
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Jul 20, 2010
I have a upload section on a user control
<div class="AttachQuote"><fieldset>
<legend>Quote(s)</legend>
<asp:Button ID="btnAttachQuote" UseSubmitBehavior="false" Text="Attach Quote" runat="server" />
<ol id="olUploadedFiles" style="list-style-type: decimal; padding-left: 30px;">
</ol></fieldset></div>
the btnAttachQuote is defined as
protected global::System.Web.UI.WebControls.Button btnAttachQuote;
can i do something simular to olUploadedFiles? there are alot of list options in webcontrols and i'm unsure how to use them. I would like to use a for loop to populate olUploadedFiles from a string array in my .cs. something like ...
int i = 0;
while (files[i].Length !=0)
{
olUploadedFiles.add (files[i]);//i'll substring the file names out
i++;
}
I'm using the same control for both the form submit and the status page(label only mode). I can load the rest of the info i just can't populate the dropdown from the codebehind.
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May 27, 2010
I have an ASP.NET gridview where I allow the user to edit a record. I need to validate multiple fields as one. I need to require that the user either enter a first and last name OR a company name. All three cannot be blank. Most of the sample code I am finding does not address the text boxes only being visible while the gridview is in edit mode. When not in edit mode, the text boxes do not exist so
document.getElementById('<%= editFirstName.ClientID %>') throws an error upon page load.
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Nov 7, 2010
I have 50 textboxes in a table and i would like to write a conditonal statement. If the textboxes has null or empty then i want to assign them 0 to all the textboxes.(VB.Net) I tried
[Code]....
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Feb 22, 2011
select multiple check boxes at a same time using c#? send me the codings.....
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Jan 20, 2011
I've noticed that page load time increases dramatically as you load up a ddlistbox with items. 10,000 or so results in a pretty much unacceptable wait time for my setup. The dropdown I'm trying to load is Airports - like all of them. What are some alternative UI solutions that give the user the ability to easily select any (literally) airport, but without a ginormous page loading time? (Currently the dd is keyed to the airport's 3 letter code, so it's convenient for the prepared user to just type the 3-letter code and have the right airport selected. The display is then set to code, city, country.)
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Jan 25, 2010
I have several text boxes on a page that need to be filled out. When users fill out those boxes they need the ability to enter in bold, italics, superscripts, and trademarks. It has been recommended to use a WYSIWYG. The problem with a WYSIWYG is that it is all tied to 1 large text box. I just need a panel on the side that can hold Bold, Italics buttons to transform whatever text the user has selected to be Bolded/Italicized and then I need to be able to add in predetermined Superscripts and Trademarks where the cursor is as defined by the user. Now this would work with a WYSIWYG but I need this to apply to several (sometimes up to 10 fields on a page) text boxes on a page.
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Apr 20, 2010
I have a custom validator which validates three text boxes. my code is,
[Code]....
I fill in all the three textboxes.it still gives me the error message to fill in all the boxes and does not submit the page even when all the three boxes are filled.
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