Web Forms :: Firefox Browser / How To Make Selection From The Dropdownlist

Apr 16, 2010

I have a dropdown list placed in Update Panel the issue is that when i am trying to make selection from the dropdownlist i am not able to select the items under it(i.e. after clicking on the dropdownlist the items get displayed but when i move the mouse over it the dropdownlist gets closed).

This issue is observed in Fire Fox only (works fine in IE and Google Chrome).

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I need to make it

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i have 3 drop down list in my page

1-ddlzone1
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this is  ddlzone1 code

protected void DDLzone1_SelectedIndexChanged(object sender, EventArgs e) {
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[CODE].....

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I have 2 dropdownlist, one is to dropdown department, and another dropdown staffnames. the secong dropdownlist will based on the selection of department as each department has different staffs i have 2 tables department and staff in my database , in my department table i have departmentid as PK and departmentname, in my staff table i have staffname and departmentid as FK. So my ques is how am i going to populate staffname in the dropdownlist according to the selection of department.

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Web Forms :: Populating Dropdownlist Upon Selection Of Another Dropdownlist?

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I have one table which contains branch codes(primary key), Branch name and bank name columns. I have 3 dropdownlist boxes. the first dropdownlist is for the branch codes. When i select the a branch code i need the second dropdownlist box to populate with the appropriate branch name and the third dropdownlist box to populate the bank name at the same time.

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I am using Visual Basic to do this.

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 protected void DDLcity1_SelectedIndexChanged(object sender, EventArgs e)
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[code]...

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I am facing an issue. I have a web application in ASP.NET and C#. On a page I have a drop down list, which works fine in IE. However in firefox if I click on the dropdown, it get expanded, now if i type some charcter, relevant value get selected, now if i click out side the dropdown anywhere on my page, dropdown collpased, new value is shown as selected but no post back occurs. I even put a client side function to call on change of value, but that also didn't get called. However if i again click on my page post back occurs and selectedindexchanged event of that dropdown is called.

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I have a dropdownlist on my page with dates such as 1/1/2013, 2/1/2013, etc.

Then there is a second ddl.

If the date in ddl #1 is before 1/10/2013 I want to enable ddl #2.
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Code:
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:dropdownlist id="EffectiveDateDropDown" runat="server"></asp:dropdownlist>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="QuoteType"
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</Triggers>
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It wants to do something when the selected index is changed? This exists in the code-behind, but I set a breakpoint and never hit it:

Code:
protected void QuoteType_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
}
catch (Exception err)
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this.PublishError(err);
}
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Does anyone now how I can make the drag/drop functionality of WebParts work in Firefox?

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I want to making another dropdownlist visible=false when clicking in dropdownlist on the same detailsview?

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Web Forms :: Get A Dropdownlist Selection Cached And Used Later In An App?

Jan 11, 2011

I have a page that searches and displays records. Users enter a record number and then select the type of record to display from a dropdownlist control. They then edit some data on the page, and the app does some calculations based on the type of record that is selected from the drop down. How do i get to successfully pass the value from the dropdownlist to the method that does the calculation to ensure that the right formula is used? Here is the code that I currently have.

[Code]....

then the code behind to do the calculation looks like this...

[Code]....

After stepping through the code, i noticed that when it gets to the "foreach" block, the value selected by the ddlRecordType dropdownlist is always the default which is "select one" and not any of the other selections that might have been selected.How do I get this to work, so that it can maintain the value selected from the dropdown and used in the code behind?

[Code]....

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I want to make a single selection in radiobutton in a gridview. I have added "GroupName" in radiobutton attributes but it only works in column which suppose to have a single selection in the entrire gridview. Another problem is getting the value of the radio button. Selected radio button value must appear in a textbox once it was clicked/checked.

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.net - Directory.exist Method In Firefox Browser

May 19, 2010

I have a asp.net page which is checking a UNC path on a listbox item change event using Directory.exist method.

This works fine in Internet explorer.

But when i use firefox and debugging this method returns false even though the directory exists.

What could be the reason for this strange problem.

this is the code

Directory.Exists(@\SYSMHARSYSxxxxxxFilesRegionError)

when i browse from IE and put a breakpoint here it returns true.But in FF the same code returns false.Its happening only for a UNC.It returns true for a local path(eg Directory.Exists(@C: est).

Authenticatiion:

authentication mode="Windows"

identity impersonate="true"

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Security :: Membership.GetUser() Using FireFox Browser

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I am finishing up my asp.net web application targeting .net 4.0. I am using VS2010.

I have deployed my application to a host server and now I am testing with multiple different browsers.

The first issue I ran into comes down to the following code:

[Code]....

If I use IE, login and click something that causes the above code to execute then currentUser is NOT null. However doing the exact same steps in FireFox currentUser is null, even though I know I am logged in as my name and other indications on the webpage confirms I am.

------------------------

Update

----------------------

Since originally posting this thread I have done more testing.

I placed a test button on a random page and the button click will update a label on that page indicating if the currentUser is null or not. This button works both in IE and in FireFox. Also both running locally and running on the host server.

----------------------

So now I am looking at what is different about the one place it appears not to work so let me try to make this clear.

I use a component called Uploadify to upload images into a database. That component calls a page/request called ImageUploader.ashx which inherits from IHttpHandler. Here is all the pertainent code from that file.
[Code]....

The problem is when calling from FireFox, imgProvider.Status = null. This is a problem because the ImageProvider will try to insert a record into my database and the column for Status cannot be null so that causes it to crash. I made the change to detect if Status = null and return the user id if so as an error message to help me debug. To understand how Status is set you only have to look at a little code in the ImageProvider class:

[Code]....

You will notice when the ImageProvider is created it calls ClearFields(). Inside ClearFields() is where it gets the currentUser and if not null it sets the UserID property, which case the setter for UserID must set Status to either Approved or Pending. Whats happening is ONLY in FireFox, and after more testing, ONLY on the host server does currentUser = null even when I am logged in. but in other areas of code I can get currentUser and it works, also this works fine with IE, it also works fine with FireFox running locally. So I have icolated it down to this specific piece of code, when using FireFox, when running on Host server.

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Web Forms :: Populate Listbox From Dropdownlist Selection?

Jan 3, 2011

1) 1 dropdownlist - department

2)Search button

3) 1 listbox that will display all the staff according to the selection of its department

So when i select the department and click search button, the listbox will be populated with the staff names.

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Web Forms :: DropDownList Selection Doesn't Show?

Sep 29, 2010

I've got two DropDownLists that are filled using a couple of SqlDataSources, like so:

[Code]....

The third DataSource, dsCriterias, is used to present a set of dynamically added DropDownLists depening on what's selected in the second DropDownList, subcategories. The set of dynamic DropDownLists are presented using this code:

[Code]....

The code works but there's little thing that's bugging me. When the page is first loaded the criterias belonging to the subcategory is not presented. I expect it to show the criterias but ther won't show until I make a choice in the categories-DropDownList meaning if I wan't the first subcategories criterias I have to choose different subcategory and then go back to the first one. It's a bit hard to explain.

An example: When the page is first loaded I get a category presented, eg. Vehicles. In the subcategories I get the alternatives "Bicycles", "Cars" and "Motorcycles". "Bicycles" will be the one presented when the page loads since the stored procedure used by dsSubcategories sorts the data by the subcategory names. The problem is that I don't get the criterias for the "Bicycles" subcategory at page load. To get them I first need to select "Cars" or "Motorcycles" and then choose "Bicycles".

I've tried putting a subcategories.SelectedIndex = 0 in in the OnLoad but nothing seems to do the trick.

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Web Forms :: How Does The Dropdownlist Change The Text After The Selection

Jun 8, 2010

I am building a custom control that mimics a dropdownlist with my own custom items in it. I'd like to figure out how after selecting something, the text changes to what was selected.

I can do it with javascript but looking at the html source of a dropdownlist, there is no javascript there to modify the textbox/label.

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Apr 29, 2010

I have already spent two day to solve this on my own but for some reason I can't. Maybe I'm missing the live cicle of the dropdownlist. I hve a three dropdownlist that filter a gridview and the other two dropdownlists One is "Year" the other is "Country" and the other "Species" Each one of them is filter by the other two. So if I filter for one year it will only show me the species and countries that have records on that year. So I have to reload the gridview and all the dropdownlist.

What happend is that since I'm filling again the dropdownlist with less values he can't remember the previous one. I have tried with the events: DataBinding, Load Unload and Init of the dropdown list to force it to remember. The conclusion I have reach is that the databinding and the load have the dropdown list of the previous page. So if I do

String strYears = ddlYears.SelectedValue.ToString();
ddlYears.SelectedIndex = ddlYears.Items.IndexOf(ddlYears.Items.FindByValue(strYears));

And the year was on the index 4 but after changing the country the year is now index 3 he mantains the index 4 showing me another year.............................

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Web Forms :: Dropdownlist Selection Changes To First Item On Postback

Oct 19, 2010

I have been having some trouble with dropdown lists reverting back to selecting the initial item in the list after a postback once a selection has been made from the dropdown list. I have read up on this and found out that a "if not ispostback then" is required.This works fine when I add in all the items in the dropdown list manually like:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then
ddl1.Items.Add("Select...") [code]....

However, I have over 250 items and so it is far more efficient for me to load then in by using part of a multidimensional array which is created from a text file - Definitive database.txt. I have been using the following code to do so:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then
'loads the definitive database array[code]...

This loads all the items into the dropdown list perfectly, but now every time a selection is made, it reverts back to the inital item on postback even though i have included the "if not ispostback then" part.

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Forms Data Controls :: DropDownList And AutoPostBack: IE8 Vs Chrome And Firefox?

Feb 18, 2011

I have a DropDownList in a GridView with AutoPostBack="true" and on SelectedIndexChanged fires an event.

[Code]....

Everything works fine across browsers as long as the user is scrolling through the DropDownList using a mouse.In IE8, things start to go haywire when the user is navigating the DropDownList using up/down arrows on the keyboard. The SelectedIndexChange event is fired with nearly every up/down key pressed. In Firefox 3 and Chrome 9, the behavior is more like what I would expect, that the event isn't fired until the user stops on DropDownList selection and hits the enter key.

Is there something that I should be doing in IE, short of setting AutoPostBack="false", so that the event is fired every time the up/down arrows are used on the keyboard?

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