Web Forms :: Validate Date Format In Textbox On Server Side Text Changed Event

May 31, 2012

How to validate ddmmyyyy dateformat in the textbox on the textchanged event with split method in asp.net 2.0 ....

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Forms Data Controls :: Change Formatting Of Text In TextBox Via Server-side TextChanged Event

May 6, 2010

I have a series of textboxes on a FormView. There is a textbox for entering a percent for a deposit amount and next to that a corresponding textbox for entering a dollar value for a deposit amount. There are 3 sets of these.

If a user changes a percent textbox, I update the dollar value textbox based on the percent times the project's total cost. If a user changes the dollar value textbox, the percent textbox gets updated as a percent of that dollar amount divided by the project's total cost.

I have the percent textboxes formatted as "{0:0%}" and the dollar value textboxes as "{0:C}".

When a user types into the textbox, the formatting goes away and we get raw numbers but I don't want those raw numbers to remain as such after they tab or click out of the field. I added a TextChanged event to reset the formatting. This works fine on reformatting the percent textbox but the currency one remains as just a raw numeric value.

Here is the markup (ignore the lack of validation for numeric input only...it will be added):

<td>
<asp:TextBox ID="txtDepositPercent1" runat="server" AutoPostBack="true"
CssClass="TextboxAnimatedRightAlign" Width="33px"
Text='<%# String.Format("{0:0%}", Eval("fld_dep1")) %>'
OnTextChanged="txtDeposit_TextChanged" />

[Code]....

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Web Forms :: How To Trigger An Event When The Text Is Changed On The Textbox

Jan 15, 2010

I have a textbox which is read only and there is a calender besides the textbox.When the user selects the date in the calender pop up, the text in the textbox is populated but it doesn't trigger the text change event.Can anyone tell me how to trigger an event when the text is changed on the textbox?

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C# - Check Or Validate The Textbox Entered Date Is In DD/MM/YYYY Format?

Jun 9, 2010

How to check or validate the textbox entered date is in DD/MM/YYYY format?

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How To Call Server Side Event When Enter Or Delete The Text (char) In Textbox

Jan 11, 2010

I need to call server side event when the i enter or delete the text (char) in textbox. How to do this in asp.net/c# 3.5.

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Firing An Event When Textbox Text Is Changed?

Jul 2, 2010

i have a strange requirement, let us suppose my screen looks something like this

when im changing value in "Value 1", the summary textbox value must be changed to "N/A". check the image below

as you can see from the image, the cursor is still inside the "Value 1" textbox, im still typing the text in "Value 1" textbox, and i want "Summary" textbox text to be changed to "N/A".

if nothing is changed in "Value 1" then i dont want to change the value of "Summary" textbox.

i want the same functionality for "Value 2" textbox

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Textbox In Itemtemplate Of Gridview Should Show Confirmation Box On Text Changed Event

Jun 17, 2010

I've a textbox in grid view control. When user inserts some value in textbox a confimation message should be displayed to user. eg. "Do you want to update record?". if user clicks on yes/ok then some code should be executed else if user clicks cancel/no the return to same page. I've tried using

ScriptManager.RegisterClientScriptBlock(page, page.GetType(), "key2", "confirm('Do you want to update?');", true); on text changed event of textbox. But was not able to achieve desired result.

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Data Controls :: Handle Text Changed Event For TextBox Inside GridView

Jun 16, 2015

need to add textbox in gridview and write code in textchange event in asp.net..i show the data in gridview if i click the button i show the textboxes but i need to write the code in that textchange event in that

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Web Forms :: Validate Date Format When Using Date CompareValidator In GridView

Jun 7, 2012

Looking for an example that demonstrates usage of different validations with respect to gridview.

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Web Forms :: Validate Date In TextBox Greater Than Or Equal To Current Date?

Sep 5, 2013

validation to check the date  greater and equal to the current date .

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Web Forms :: How To Validate Date In Format Dd-mmm-yyyy

May 31, 2010

I am new to asp.net and Want to apply check on a text box in which the date has to be entered in the format "dd-mmm-yyyy".

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Capture Client Side Text Change Event For TextBox

Jun 19, 2010

I have a form that contains a TextBox. A pop up window will return a value and put it into the TextBox. when this happens, i need to populate another control. I tried "OnChange" but it was not triggered .

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Web Forms :: Get ListBox Client Side Set (Changed) Values On Server Side

Sep 20, 2015

Your example doesn't work, or I have missed something, I work on a website for information...

I have null in my variable ...

Protected Sub Submit(sender As Object, e As System.EventArgs)
Dim values As String = Request.Form(ListBox1.ID)
TextBox1.Text = values
End Sub

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How To Textbox Control's Onblur / LostFocus Event Trigger A Server - Side Event

Jun 14, 2010

I am trying to attach a server-side event to lookup the city/state for the user-entered zipcode in a field like the one below.

<asp:TextBox ID="TextZipcode" runat="server" CssClass="inputtext" Columns="10" MaxLength="10"></asp:TextBox>

Since there is no lost focus event to capture, has anyone had any luck getting this to work?

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Web Forms :: Server Side TextChanged Event For HTML5 TextBox

Feb 26, 2014

how would I handle textbox text change event in oulhtml 5. I have a text area where i enter project details and i want to store every description i enter in it. which textbox event of html5 should i use? I want to create  an html5 textbox text change event like we have in asp.net I mean the code behind will be in c#.

protected void TextBox1_TextChanged(object sender, EventArgs e

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Web Forms :: Text Box - Filter Data In Text Changed Event

Aug 11, 2010

I have a list box with data coming from the database. Above the list box I have a text box. If the user enters some text in the text box,then the data in the list box should be filtered as per the content entered in the textbox. In my page, i have about 7-8 such similar textboxes and listboxes. So I want to implement a common function which can be used for all the text boxes in the page. I tried to achieve this in textchanged event and javascript but sometimes not working. Is there any other simple way except javascript? Is it efficient to use java script in this scenario? Need your valuable inputs.

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Web Forms :: Validate Two Textboxes For Date Range In Client Side?

Sep 8, 2010

I need to validate two textboxes for date range in client side. what is the best approach ?

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Web Forms :: 3.5 Events - Is Supposed To Fire On The Client Side When Text Is Changed

May 27, 2010

I'm new to ASP.net 3.5 and testing functionality before developing an asp.net web site. I created a page with a formview. I added several text boxes. I created an event on the FirstName_TextChanged event and added a stop in the sub. When I open the page in the browser and type in some text in the FirstName and press tab, nothing seems to fire.

1) Is this supposed to fire on the client side when text is changed?
2) If so, would the vb.net code entered work like Javascript code on the server?
3) If so again, is it possible to update another textbox based on the text entered into the FirstName on the Client Side (would do this in Javascript in Classic ASP)?

I think I'm totally confused. I've been searching web for article about how to do this.

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How To Validate Maskedtextbox Date Format

Aug 2, 2010

i have a maskedtextbox in that i need to enter date following format

"dd-mm-yyyy". in properties of maskedtextbox there is no option for this format.

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Asp.net - To Validate Particular Format Date String Using Javascript?

Feb 3, 2010

How to validate particular format date string using Javascript?I have one date picker which has the display format like "dddd MMMM dd,yyyy"(displaying like this:"Wednesday February 03, 2010".)So i have to validate this format using javascript.Please help me for implementing this.

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Web Forms :: How To Fire Server Side Event After Client Side Event Is Triggered

Sep 12, 2012

I have a scenario where i have 4 asp buttons , on click of each button there are 4 labels inside 4 seperate divs where each displays seperate data.

Now if i click second button i need to display second label text inside 2nd div and hide all other divs.How can i achieve this ?

 OnClientClick event of each button calls displayAlternate() which displays repective div and hides other.

displayAlternate('second'); return false; --> if i do this server side event is not fired ...

If I return true div second label is not getting displayed..

How can I achieve functionality where all divs expect 2nd is hidden and i get server side event also..

Below is code.

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head><body>
<form id="form1" runat="server">
<script type="text/javascript">
function displayAlternate(id) {

[Code] .....

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VS 2010 - Retrieving Textbox Text Server Side

Sep 6, 2012

I'm adding <ASP:TextBox>'s to a page in code.I'm going to set their ID and stuff like that.I'm wanting to retrieve the text of those textboxes on a button press.Now I know I can't simply do "Me.MyTBName1.Text". I guess I could loop through the controls and compare IDs. I'd rather be able to get the textbox's text directly somehow though.I could use Javascript to get the value, but I don't think I can use it server-side at that point.

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Web Forms :: Validate TextBox When It Has Date And Not When Empty?

Mar 26, 2016

i have a problem in validations. in my query 

DateTime dateformat;
if (DateTime.TryParseExact(TxtDate.Text, "dd-MMM-yyyy", null, DateTimeStyles.None, out dateformat) == false)
{
lblErrMsg.Text = "Enter valid Txtdate";
return;
}

by using above query i am alert the if date entry format wrong. it is working fine but when ever if user not enter any date in TxtDate.Text then no need to alert just save datetime.minvalue. how to do it.

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Web Forms :: Does Not Work TextBox Changed Event

Jan 26, 2011

in my webpage two textboxes and one button is ther in that both textboxes having textchanged events TextBox2_textChanged event will fire k it work am clcking submit button textbox1 event fired i wnt to firing

button click event

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AJAX :: Raising A Server-Side Event While Typing In A TextBox?

May 24, 2010

I have a TextBox as bellow:

[Code]....

How can I raise a server-side event while I'm typing in it?

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