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Javascript validation C#.NET


Javascript validation C#.NET

By : Quakelive Napkins
Date : November 15 2020, 06:54 AM
I think the issue was by ths following , I suppose that you have to bind keyDown event on textbox
try this jquery code to remove live the spaces
code :
$("#IdOfTheTextBox").on("keydown", function (e) {
    return e.which !== 32;
});​​​​​
function NoSpace() { 
     if (event.keyCode == 32) { 
           event.returnValue = false; 
           return false; 
     } 
 }
var noSpaces = document.getElementById("txtbox1").value.replace(/\s/g, "");


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javascript validation to check @ at start of user input: not email validation

javascript validation to check @ at start of user input: not email validation


By : guilhermesoratto
Date : March 29 2020, 07:55 AM
this will help I have to check whether a form field contains '@' at start of user input & is it contains it at all. It works fine for checking if its at start of the string. But when I add checking whether input contains '@' at all or not. It fails. Here is my code , Consider:
code :
var apos = value.indexOf('@');
if (apos >= 0) {
  // was found in string, somewhere
  if (apos == 0) {
    // was at start
  } else {
    // was elsewhere
  }
} else {
  // not in string
}
var apos = value.indexOf('@');
if (apos == 0) {
  // was at start
} else if (apos > 0) {
  // was elsewhere
} else {
  // not in string
}
Extending Coldfusion CFFORM Validation with Custom JavaScript Validation

Extending Coldfusion CFFORM Validation with Custom JavaScript Validation


By : 春江水暖
Date : March 29 2020, 07:55 AM
I wish this helpful for you As mentioned in the comments, you could use the onValidate attribute to call a custom javascript function. Not quite as elegant as using a cfselect (which you said you cannot use). But it does combine the alerts, and without hacking into the internal functions. If for some reason you cannot use onValidate, then you probably will have to dig into the internals.
code :
<script type="text/javascript">
    function yourFunction(frm, fld, value){
        // some pointless validation
        var elem = document.getElementById('foo');
        return elem.options[elem.selectedIndex].value == 2;
    }
</script>

<cfform name="theForm" method="post">
   <select name="foo" id="foo">
        <option value="0">apples</option>
        <option value="1">oranges</option>
        <option value="2">pear</option>
        <option value="3">grape</option>
    </select>
    <cfinput type="hidden" name="fooValidate" onValidate="yourFunction" 
            message="You must select pears because we say so..">
    <input type="Submit" name="txtSubmit">
</cfform>
  function yourFunction(formObject, formField, fieldValue) {
       ...
      // return true if validation was successful
  } 
Javascript validation error for hidden field using MVC4 Razor site with unobtrusive validation

Javascript validation error for hidden field using MVC4 Razor site with unobtrusive validation


By : Sayed Kamaloddin
Date : March 29 2020, 07:55 AM
this will help While using ASP.NET MVC with unobtrusive validation enabled I have, on a number of occasions, had a need to embed an ID into a Razor form as a hidden field. I've learned to always include a validation message, for example: , You are wrong on this.
This code works perfectly fine:
code :
@model MyViewModel;

@using(BeginForm()) {
    @Html.HiddenFor(m => m.HiddenId)
    @Html.TextBoxFor(m => m.TextField);
    <input type="submit" />
}
public class MyViewModel {
    public int HiddenId {get;set;}
    public string TextField {get;set;}
}
public ActionResult Index() {
    return View(new MyViewModel { HiddenId = 1, 
                TextField = "We Don't need no steekin Validation Messages" });
}

[HttpPost]
public ActionResult Index(MyViewModel model) {
    if (ModelState.IsValid) {
         return Content("It's Valid!");
    }

    return View(model);
}
Capture HTML5 error input validation when set in javascript (shows a warn) or check validation before

Capture HTML5 error input validation when set in javascript (shows a warn) or check validation before


By : Andrew Brown
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I am trying validate a data to set in an input. I want to use de Validation HTML5.
code :
var value = "aaaa";
document.getElementById("input").value = value;
if (document.getElementById("input").value == null || document.getElementById("input").value == "") {
        alert("Invalid value");
}
drop-down validation and Combine If statement on JavaScript with extra condition for validation?

drop-down validation and Combine If statement on JavaScript with extra condition for validation?


By : user2319014
Date : March 29 2020, 07:55 AM
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