Posts by Leandro Angelo • 9,330 points
440 posts
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3
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answer23
viewsA: I cannot put menu above text
How are you working with position:absolute and is not declaring the z-index, the browser will stack your Ivs as they are declared in your html. Add the attribute z-index: 2000; in the css of…
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answer86
viewsA: Isolate and update only one Div
Instead of doing Reload, assign src to the images you’ve already uploaded. function SetarImagem(imgConvertida) { var vData = { img2: imgConvertida }; $.post("/MeusDados/SetarImagem", { 'img':…
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answer1480
viewsA: Check the predominant color in the image
Although it is not possible to demonstrate how it works here in the snippet, you can identify the predominant color of an image using the library Color Thief. It is important that the image to be…
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answers134
viewsA: removeClass does not work
You did not include your html, but to what all indicates the disabled referred is not a style class but an attribute of the element. $('#main-form').on(function () { simCode = $('#main-form…
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answer528
viewsA: How to remove the title bar from the Visualstudio C# Xamarin android app
According to the answer to the same question in SO EN NavigationPage.SetHasNavigationBar(this, false); Source: https://stackoverflow.com/questions/20480724/xamarin-remove-app-title…
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answer48
viewsA: How to give a POST on the page with the UPLOAD property without going into looping?
As stated in the comments, this happens because by clicking the button bntCarregar you are invoking an event in the backend, which in turn is triggered by a post on the client side, the famous…
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answer174
viewsA: ASP.NET Entityfraord - Grid with Pagination
The problem is in the sequence as you are running, when declaring the var lista ending with a OrderBy() you’re returning a IOrderdEnumerable<>, that does not implement the ICollection required…
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answer102
viewsA: Event click javascript does not call the action - Asp.net Core
The problem is in your note in the button click event $("btnNovo").click(function (eve) { $("#modal-content").load("situacoes-gerenciamento/cadastrar-novo"); }); Here you are indicating only the…
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answer36
viewsA: js loop does not show next item
The detail is in your index validation, because if there is no next one but the current item is the last you just remove the class ativa without adding any. And was also calling the function…
javascriptanswered Leandro Angelo 9,330 -
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answer953
viewsA: List existing folders/subfolders and files in a specific root folder
Yes, it is possible, but it is not the most recommended. You can simply test if it already exists and pass this return to the user. Another common practice is to use guids to create folders and save…
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answers8087
viewsA: Consuming API with javascript/jquery
You are capturing the value of the field at the wrong time when it has not yet been filled Move the assignment of var valor1 = document.getElementById("teste").value; to the scope of your button…
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answers277
viewsA: Overwrite native HTML scroll
It turns out in Alert, you’re not superimposing the scroll you’re taking the focus off the body’s scope. Although I don’t recommend it, you can assign an event behavior to the scroll event by…
javascriptanswered Leandro Angelo 9,330 -
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answer32
viewsA: Why does my Endereco model return null after the postback?
The construction of the View to edit lists and collections is somewhat peculiar and has some pitfalls. This is due to the attributes name and id of the elements vs as MVC will bind with its…
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answer55
viewsA: Send button from a form
You can add a hash to your action and an anchor in your html, so when reloading the page after the post, the scroll will be done to until the form again. In your case as the target of the action is…
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answers89
viewsA: doubts to style an active link
You can do via Jquery, as in the example below. $(document).ready(function(){ $('.navbar a').on('click',function(){ $('.navbar a').removeClass('active'); $(this).toggleClass('active'); }); });…
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answer70
viewsA: Using a button or dropdown to separate the query by alphabet letter?
In fact what you need is a filter, would not give up paging because of this, imagine that you have 150 people with the name starting with the letter "A". In the example below I assigned the…
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answers36
viewsA: Delete information from textbox when there is Reload
How did you report that you are not using the PostBack for no operation, you can turn off the Viewstate. In the page declaration on your .aspx add the attribute EnableViewState="false". <%@ Page…
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answers1801
viewsA: Async/Await with threads (C# 7.2)
The sum in the NotParalel() is precisely why you are waiting for an execution to finish and then run the next one and finally return, on account of the await. public static async Task NotParallel()…
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answer301
viewsA: Close mobile menu by clicking scroll
Add the following script block so that by clicking on a menu link it performs the collapse $('.navbar-nav a').on('click', function(){ $('.collapse').toggleClass('in'); });…
htmlanswered Leandro Angelo 9,330 -
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answer436
viewsA: Validate fields with Onclientclick
One of the problems is that in your javascript you are instantiating the ddlProcesso and then and then tetando check another object that has not been declared the ddlEmpresa function…
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answer27
viewsA: Functions of Javascript/2
Follow an example, just use your return prompt() and assign to the contents of your div. function showMessage() { var msg = prompt('Digita Mensagem');…
javascriptanswered Leandro Angelo 9,330 -
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answer46
viewsA: Live video streaming multiuser
Quite simplistically, you’ll need to route the requests in your external ip to the camera’s local address. If it provides http delivery, it should already have a "native" server and player. Another…
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answer139
viewsA: Insertion of HTML elements within another HTML Generated with Jquery in the same function
Turns out you’re creating elements with id duplicated in your DOM which is nothing recommended, add a unique identifier to your dynamic elements. function listaItensPorIdExecCadeia(objIdExecCadeia){…
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answers1074
viewsA: Get object content without knowing the attribute name
Through string atributo = "modelo" string conteudo = meuCarro.GetType().GetProperty(atributo).GetValue(meuCarro);
c#answered Leandro Angelo 9,330 -
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answer1173
viewsA: Display success message after registration is completed via AJAX
You can use the event beforeSend to display your progress div and hide it in success. Instead of the .css({display: 'block');you could simply use the method show(); $.ajax({ type: "POST", url:…
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answer110
viewsA: Request sent more than once when selecting a form field
You are doing the bind on the wrong event, the way you set it, every time the user clicks on #cmbContrato you trigger the ajax request. And as noted by @Barbetta, you’re always adding elements to…
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answers82
viewsA: Working with vectors / matrices
Note that your vector variable is not a string array, but an array of objects And to recover the value you need to treat it properly. Or actually use a matrix through the declaration string[][].…
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answers2173
viewsA: Pick data-attribute from a selected option by clicking on button
You need to add the :selected to identify the selected option and you can use the method data() to return the attribute value, if you want to recover by attr() would need to enter the full name, in…
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answer499
viewsA: How to recover the URL from previous ASP page
Via Javascript you can use: var paginaAnterior = document.referrer; If you choose to capture the ASP Classic paginaAnterior = Request.ServerVariables ("HTTP_REFERER")…
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answers253
viewsA: Search for word variations
You can add a helper class to these treatments by adding these methods to the string type and adding the methods to the treatments you want, removing all the characters you find pertinent. Take the…
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answers239
viewsA: Group items within a foreach
With a simple structure you and using LINQ (System.Linq) you can solve this problem as follows: Create a structure to store your groups public class NaturezaOperacao { public int NatOper { get; set;…
c#answered Leandro Angelo 9,330 -
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answers861
viewsA: String reading Json format for c#
You can use a dynamic as you already know the structure and what you want to find becomes much simpler without needing to map the whole structure of an object to get only the value of some…
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answer916
viewsA: How to perform a function after ajax Success?
After the success: you have the complete: but it is fired both in the case of success and in the case of error, so you need to validate the xhr.status to check whether the request was successfully…
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answer12121
viewsA: Postasync Json C#
To reproduce the presented model, you need to create an object that has an attribute called input and that receives an array or list of Tickets. Then you need to serialize this object in a json and…
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answer48
viewsA: Syntax . cshtml - Devexpress
Lucas, read the documentation of the component you are implementing. In your view: @Html.Partial("RichEditPartial") Create Partial View for the component: @Html.DevExpress().RichEdit(settings =>…
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answer280
viewsA: jQuery with Blur effect does not work
If you’re not seeing the animation you’re probably using a different browser than the filters you’re specifying for the css, don’t forget to add the rest to ensure the expected presentation in other…
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answer56
viewsA: Bi-Directional Communication - How to get status?
You are calling an asynchronous method, waiting 5 seconds and then trying to read an attribute that may not be reflecting your real state. And you’re also not capturing the error while trying to…
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answers2906
viewsA: How to get the highest value in an array with Javascript?
Because your logic presents several points of failure. Basically in your script you try to compare the current item with the next one. a = array[i]; b = array[i+1]; Whereas in the attribution of b,…
javascriptanswered Leandro Angelo 9,330 -
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answer63
viewsA: How to pass input data to javascript and then present it
Follow a simple example using javascript only. var mostrarNome = function (){ var exibicao = document.getElementById("exibir"); var nome = document.getElementById("nome").value; exibicao.innerText =…
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answer20
viewsA: Javascript Collapse Problem
An alternative is to add a Boolean parameter to your hide_all(jumpFirst) function and skip the Hide of the first element if it is true. Already getelementsbytagname error did not occur here in…
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answer35
viewsA: Beginform with several button in one form
This is because you set their type to Submit change to button, for those you don’t want to do Submit for form and control their behavior via javascript. <button type="button" id="btnSubmit"…
asp.net-mvcanswered Leandro Angelo 9,330 -
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answer126
viewsA: Convert extracted binary from . getUserMedia() to . mp4
What you can do is use a compression codec like x264 to reduce the size of the converted file, after that if the result is not yet what you want. All that remains is to reduce the bitrate and or…
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answers93
viewsA: How do I prevent the file I created in txt to record two equal C#?
If your goal is to avoid duplicating a record you should first read the file and check if it no longer has that record before writing the new one string path =…
c#answered Leandro Angelo 9,330 -
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answers75
viewsA: Error when doing sum inside foreach
Another option is not to use the foreach() and yes the method Sum() totdesp = valordespesas.Sum();
c#answered Leandro Angelo 9,330 -
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votes3
answers111
viewsA: How to do a function to calculate and alert the number of lamps needed to illuminate a particular room
Following an example, it would still be necessary to put the treatments for validation of inputs, but as the question should be to validate the logic... this example meets the requirements. function…
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answer46
viewsA: Class structure for
Once the element <erro> is composed of several <codigo> and <descricao> Your mapping should include lists or arrays for them: <erro> <codigo>B0000</codigo>…
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answer81
viewsA: Carousel element change capture
you do not need the setIterval just make the bind with the slid event. Once you are picking up the item information with the class .active this information is always available for the current item.…
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answer28
viewsA: Is there any way to extend a main file into Webforms?
What you are looking for is called Masterpage, in it are the components and visual elements that are shared by all pages of your application Webforms, below is an example. Site.master. <%@ Master…
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answer57
viewsA: Function javascript work with dynamically generated elements
When you bind to $('.rating1').likeDislike(.... it is applied only to elements that already exist in the DOM, you need to perform the same operation for those that are created dynamically after…
javascriptanswered Leandro Angelo 9,330 -
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answers168
viewsA: PROBLEM WITH AJAX JSON
Your mistake is here $.getJSON('img_trocar.php') var obj = JSON.parse(dado) You make a request to receive json, but do nothing with it, then you call parse waiting dado that doesn’t exist…