AJAX :: Put Watermark Item For Dropdownlist?

Jun 22, 2010 10:36 AM

I would like to know if there is any way to put a "watermark" item in a dropdownlist, an item like.. "Choose a color" in a dropdownlist of colors.

By now, I add an item to the top of the ddl.. But I don't know if it is a good way or if there is any property or toolkit to do that..


Watermark Shows Up On Preview But Will Not Print Out The Watermark?

Mar 22, 2010 06:48 PM

I have a page that display like a print pre-view. It shows the watermark in the background. But when I print it, it doesn't include the watermark. I know in IE7 you can change your IE settings to make it print the water mark but in IE8 you can't do that. Is there another way to print my water mark out? Here's that part of the code:


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AJAX :: Can't See Watermark On Textbox

Jun 29, 2010 07:14 AM

I included a Textbox watermark in a webpage and uploaded it to my server. I can't see the watermark on the textbox hence I get an error ASP.NET Ajax client-side framework failed to load.

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AJAX :: Unable To Access Watermark

Jan 23, 2011 05:48 PM

i have VS2010Pro, i installed Ajax3.5 because im working on .Net3.5 framework. i created a registration form, after i applied Scripmanager, then i clicked on Textbox & select Add Extender, i use Watermark extender. i write all the values... wtever it is in ASP.net AJAX website tutorial, after it i run to project ....there is no watermark on the textbox. i have IE8 & Firefox browser but both not showing the watermark here is my code that i applied on textbox:

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:TextBoxWatermarkExtender ID="TextBox1_TextBoxWatermarkExtender"
runat="server" Enabled="True" TargetControlID="TextBox1"
WatermarkText="First Name">

i already installed reinstalled both AJAX & VS10 but nothing happen.

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AJAX :: Using Textbox Watermark Effect

Aug 31, 2010 07:04 AM

I have been trying to use ajax in my asp .net website developed in 3.5 sp1 2008! The problem is I can see tool kit controls in my tool box but i can not use the controls. like i was using the text box watermark effect but when i run the website the text-box does not show effect and there is no option in text box to add extender. there is only remove extender option. I have code:

<asp:ScriptManager ID="ScriptManager2" runat="server">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">

First name:

<asp:TextBox ID="TextBox1" CssClass="unwatermarked" Width="150" runat="server" />
<ajaxToolkit:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender1" runat="server"
WatermarkText="Type First Name Here"
WatermarkCssClass="watermarked" />

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Web Forms :: Obtain Dropdownlist Value / How To Retrieve First Item Value On Page Load Without Selecting Item

Oct 20, 2009 06:03 PM

i have a dropdown list populated from datasource and i want to retrieve the first item value on page load without selecting the item and causing postback?

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Web Forms :: Dropdownlist Item Will Not Change If Item Preselected In Page Load

Aug 22, 2009 05:22 PM

I am populating a webpage with information from a database into multiple dropdown lists. However the problem I am getting is happpening on a single dropdownlist example that is posted below.

I am preselecting an index in the dropdownlist in the page_load sub, when I change the value on the dropdownlist and request the webpage to show the value that is selected, it reverts to the index that was preselected in the page_load code!!

Where am I going wrong?


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MVC :: DropDownList Can Either Select Item OR Save Selected Item Back To Controller?

Jul 07, 2010 07:22 PM

I have a project that queries a set of times from a database and uses these entries to populate a dropdownlist. Once the page is loaded, the user can select one of the items in the DropDownList. When the "Save" button is clicked, the Selected item value is returned to the [HttpPost] version of the controller action. This item is then stored into session. If the system returns to the page containing the dropdown, I want the saved Value to be selected in the DropDownList. What actually happens is that the DropDownList is always set to be the first item in the list.

Database Table: This data has been imported using Link to SQL


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Dropdownlist / Every Time Selecct An Item, First Item In List Gets Selected?

Feb 03, 2010 12:32 PM

i use a dropdownlist in a page, with its items taken from a mysql database

i also use autopostback property...my problem here is that, every time i selecct an item, the first item in the list gets seelected

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AJAX :: Textbox Watermark Not Visible At Runtime?

Jun 07, 2010 09:33 PM

Total AJAX Newbie here. Using VS2008 and vb.net.

I'm trying the watermark extender out and I can't seem to get it to work?

Don't know if it might be version issues?

I've got two textboxes and 'n want them watermarked but when the page runs, there are nothing happening?

Here is my code:


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AJAX :: Display Watermark Text In Password Fields?

Mar 29, 2010 01:24 PM

My problem is that I want to display a watermark on password field i..e Enter Password. But it is appearing as **********. I have seen it on facebook that when i see it first time text is appearing 'Enter Password' and when i enter my password it appears as *****. I know that with some dirty workarounds I can fix it. Is there any good solution for this here is the code which I am using


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AJAX :: Watermark Text Disappear When Updatepanel Is Postback?

Apr 09, 2010 09:36 AM

I have 2 "Updatepanel" controls. Each contains a textbox linked to a "TextBoxWatermarkExtender", and a button. When I click on one of the buttons without to enter any text, all the watermark text disappear on BOTH updatepanel when they should remain visible.


How can I avoid the waternmark text to disappear when I click on the button?

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AJAX :: How To Set The Text Property Of A Textbox With Watermark Extender In JavaScript

Feb 26, 2010 05:18 AM

How to set the text property of an asp textbox with watermark extender in javascript?

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AJAX :: Watermark Extender Password Picture Doesn't Show Right Why?

Jan 18, 2011 10:52 AM

I have a question about watermark extender. I used it to apply to a password textbox and confirm password textbox with password text mode. I found some site recomending using picture so that the word "Password" and "Confirm Password" will be shown in the textbox. For some reason, in the confirm password textbox, the picture doesn't show correctly. It is like some part is omitted. I try to check on my local computer and it was fine. But when I check on my computer at home. I got that weird problem. Why is it like that?

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AJAX :: While Adding Timer Control Watermark Stops Working

Jan 19, 2011 06:08 AM

When i use timer control in my website. then the ajax water mark blinking.

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Web Forms :: How To Add An Item In A Dropdownlist And Modify The Value Of That Item

Jul 10, 2010 02:34 PM

I need to add an item in a dropdownlist and also modify the value of that item, but im getting an error : "Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index"here's my Page load

Dim rt as new OleDbCommand("Select * from Question ", con)
dim rd as OleDbDataReader
rd = rt.ExecuteReader
Dim a as new OleDbCommand("Select Count (*) as C from Question" , con)

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AJAX :: Place A Watermark Inside The Password Textbox Of Login Control

Jan 30, 2007 07:23 PM

I want to place a watermark inside the password textbox of the ASP.NET Login control. I have changed the login control to a template so I could add the TextboxWatermarkExtender control. As you might guess, the textbox has its textmode property set to Password and as a result the watermark appears as a bunch of dots.

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Access :: Adding Item To Dropdownlist From Database Using First Dropdownlist?

May 28, 2010 06:54 AM

i have two dropdownlist , i want to add item in dropdownlist 2 from database if the city is changed in first dropdownlist..I am using access database

here is my code:


but when i select any text , it will not show anything in dropdownlist2 ..

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AJAX :: Reorderlist Control Item Template Dropdownlist Control Id Can't Find?

Nov 05, 2009 07:44 PM

I got a QQ on AJAX Reorderlist Itemtemplate. I am using two reorderlist controls with in a page. Reorderlis1 contains pending records. I just load the pending records. the records can be moved from Reorderlist 1 to Reordrlist 2 with add button. In this table I am not doing reordering .

Reorderlist2 contains Queued records. In this I will do the reordering, the records which are there in Reorderlist 2 , transfer the records into the tasktable. In this table I have the cancel button also. If user don't want to update some records they can moved back those records from Recorder list 2 to Recorderlist 1. I am done with this part.

My 1st QQ:

Now I added Dropdownlist control to the Reorderlist 1 Item tamplate. Item template dropddownlist is my user control.My dropdown list contains the list of years. So I am calling my Usercontrol method with the Itrmtamplate dropdownlist ID. Here I got below error. 'ddlbeginyod1' is my Reorderlist Item template dropdownlist ID Text. Why?

Error:The name 'ddlbeginyod1' does not exist in the current context.

I tried adding the dropdownlist in insertitem template also. There also I got the same issue.

I never worked with Ajax Reorderlist control. I am very confused with this control.

I can add Dropdown list to the Reordrlist Itemtamplate right ? I

f I can add the dropdownlist into the item template I have 2nd QQ?

- If I can load the dropdownlist. For each row I will be having the year dropdownlist right. When user selects first row and moved from the reorderlist1 to reorderlist 2 with add button. he has to select the year of that row.

I need to send year value by each row to task table. Can I do that with reorderlist item template.How can I store the year value.If so, how can I do that? Please any one know the answer ,

I am coying my Reorderlist1 Code below,


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Binding Item To Dropdownlist From Another Dropdownlist?

Nov 07, 2008 12:07 PM

i have two dropdownlist.i bind somthing to first dropdownlist from database.I want when I select an item from dropdownlist1 see some item in dropdownlist2 .but when i select item from dropdownlist1 ,I give this error.

i wrote this code but it doesn't work.

for binding item to dropdownlist1 i wrote this code:


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AJAX :: Toolkit Watermark Textbox Is Not Displaying The Text Inside The Textbox

Mar 31, 2011 03:24 PM

[Code]....I am seeing an empty text box watermark css is not applying and the text type first name here is also not getting displayed insde the text box.

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AJAX :: Date MaskedEdit With Watermark Doesn't Update On Invalid Date

Sep 17, 2010 09:16 AM

I'm trying to use the TextBoxWatermarkExtender with MaskedEditExtender/Validator and have found a bug (I think).

In the textbox I enter an invalid date such as 55-55-5555 and exits the textbox. I would then expect the watermark to be shown, but it doesn't. Instead the prompchar is shown (like __-__-____).

If I simply give focus to the textbox and then another control, the watermark is shown.

Is there a workaround such as manually force the TextBoxWatermarkExtender to update.

I'm not the best with javascript, I tried to call focus() and blur() on the textbox in the textbox's onBlur event using window.setTimeout. This works in Firefox, but not IE8, also there has to be a better way I think :-)

<asp:TextBox ID="TextBox5" runat="server" MaxLength="1" onBlur=""/>
<asp:ImageButton ID="ImgBntCalc" runat="server" ImageUrl="~/images/Calendar_scheduleHS.png" CausesValidation="False" />


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Dropdownlist Not Selecting Item / Value

Mar 11, 2009 03:58 PM

I cannot figure this out, why isnt the selectedIndex not firing. My dropdownlist should select the item being selected however it goes to the top every time page is loaded. DDL is set to Autopostback and its viewstate is set to true The DDL is binded once. So when SelectedIndex is changed it should call the bind method however it doesnt. I have the exact same coding on another page, which works.. but not on this one

<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" Width="125px"
OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" ></asp:DropDownList>
public partial class ProductList : System.Web.UI.Page
public string text = "", image = "";
protected void Page_Load(object sender, EventArgs e)
if (!this.IsPostBack) //!this or !Page
string sql = "SELECT * FROM ProductsClass";
DataTable dt = access.GreatDs(sql).Tables[0];
for (int i = 0; i < dt.Rows.Count; i++)
DataRow dr = dt.Rows[i];
string name = dr.ItemArray[1].ToString();
this.DropDownList1.Items.Add( new ListItem( name ) );........

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C# - Disable Every Fifth Item In A Dropdownlist

Mar 12 at 15:11

I want to disable every fifth item in a dropdownlist.


How do I write the logic to disable every fifth item in a Dropdownlist?

I am using two for loops: one for displaying items and one for disabling items in dropdownlist. How can I simplify my code?

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How To Set Item Limit For DropDownList

Jul 8 10 at 22:45

How do I set the items shown on a DropDownList? Example: If I have 30 items in my DropDownList I only want the expanded list to x in items shown at a time.

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C# - How To Set An Item In A DropDownList As The Default Value

Dec 31 09 at 2:51

How do I set an item in a DropDownList as the default value in ASP.NET?

SomeDropDownList.DataSource =GetSomeStrings();

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Web Forms :: Specify Item 0 In Dropdownlist?

Jan 03, 2010 12:47 AM

My DropDownList control is getting the information from an ObjectDataSource. I need the initial item showing on the DropDownList to be "Select an item" which is not in the database.


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MVC :: Select Item From Dropdownlist

Sep 22, 2010 02:19 PM

I have a dropdown list created via MVCContrib FluentHTML - how do I perform a postback when the user selects any item in the dropdownlist?

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Remove An Item From A Dropdownlist?

Mar 7 at 16:37

I have a dropdownlist, and in some cases need to remove an item (in the code-behind). I need to remove the item based on the value of the item.

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Check If Dropdownlist Has An Item?

Feb 09, 2011 11:46 AM

How can i check on a fast way (less code) if a dropdownlist has a item called 2008 ? Right now i do this:

drpBouwjaar.Items.FindByValue("2008").Selected = true;

But if the item doesn't exsits i get an error.

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How To Add Additional List Item To DropDownlist

Mar 29, 2009 11:33 AM

How i add the additional item to DropDownlist i mean like below


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Set DropDownList Selected Item In Markup?

Feb 17 10 at 19:39

I have a DropDownList in a template column of a GridView control. The GridView is bound to a list of objects. Each object has a property of type int which corresponds to a value in one of the DropDownLists ListItems. I could set the selected item programatically by adding a DataBind event to the drop down, but I'm wondering if there's a way to set the selected item by using a code block in the aspx markup.

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Web Forms :: Sort The Item In A Dropdownlist

Jun 12, 2006 11:32 AM

Today while workin on a project, i came across a situation where i need to sort the item in a dropdownlist. Unfortunately, there is no sort method available to the Dropdownlist and other ListItem containers. So i need to write it of my own, the functionality to sort the items. Here is code for you, if any needs!

-- Write these 2 classes in any of your class file.
-- Usage General.SortDropDownList(dropdownlist);


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Set Two Colors From Single Dropdownlist's Item?

Aug 25, 2009 12:07 AM

How to set two colors fro single dropdownlist's Item.

Suppose dropdownlist id is ddlState.When i bind data in dropdownlist that data is

"Select a state within usa or Other Countries"

by this code ddlState.item.insert(0,"Select a state within usa or Other Countries");

What i want that i want to show only "Other Countries" text is in brown color and

"Select a state within usa" is in black color.

.here is my code


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DropDownList Not Changing SelectedIndex/Value/Item?

Aug 31, 2009 09:43 PM

Visual Studio 2008, C#, SQL Server 2005

I swear this was working before.

I have a drop down list of all the users in a particular role.


The problem is, when I try to access the selected index/item/value, it always selected the first name in the list and never the one that the dropdownlist has been changed to. None of the following solves the problem:


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Gleaning A Value From A DropDownList's Selected Item?

Feb 01, 2010 05:19 PM

VWD 2008 Express. Visual Basic. SQL Server 2005.

I have a dropdownlist whose datasource is a SQLDataSource. The select command is:

[JailID], [strName] + ', ' + [strState] as JDName, [nJurID] FROM [JailArea]"

The DropDownList definition is:



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How To Add An Item To A DropDownList That Have Been Created At RunTime

Dec 02, 2008 05:02 PM

i have tried to do:

ddl2.Items.Add(New ListItem("Item 2", "2"))

and items.insert(0 , "select")

in the databinding and init methods of the dropDownList - nothing is working, i just dont see the item.

the dropDownList is created at runtime. in a class that implements ITemplate.

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Selecting Dropdownlist Item In IronPython?

May 28 10 at 16:13

I want to select a particular item in a dropdownlist by value, in asp.net using IronPython.
I found I can do it like this

listItem = ddl.Items.FindByValue(x)
if listItem != None: listItem.Selected = True

But I want to do it in one line

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Web Forms :: Add Item And Set As Default Value To DropdownList?

Oct 14, 2009 03:57 AM

here's how I'm binding my dropdownlist and I need top set -Year- as the first option selected:


is FindByValue the only way to set the added item to be default? There's got to be another way that's available one would think.

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Web Forms :: Add Item To Dropdownlist - Show Name

Dec 02, 2010 07:10 AM

I have a code to add item to dropdownlist but it shows the value only. I want an alternative text to appear for user. How to modify this code ?


Now % is doing the job but I want the use to see the text "ALL" in the item of the dropdownlist.

I tried DropDownList4.Items.Add(item:="%,ALL") etc but failed.

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