is a .net property whose value indicates whether the page is being rendered for the first time or is being loaded in response to a postback.
Questions tagged [ispostback]
67 questions
1
vote
3 answers
On Postback placeholder controls disappearing
Within my webpage I am loading usercontrols within a placeholder. Each of these user controls triggers a postback when an ajaxcontroltoolkit rating is changed. The problem I am having is that if I use
If (Not IsPostBack is Nothing)
the controls…
mattgcon
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1
vote
2 answers
ASP.NET keeping the selected language in a multilingual website C#?
This is my code, the main problem is when I select the language I want to, it changes to the language, but if I click to another web page it turns to the original one.
Example: I select english, then it changes all the page to english but if I click…
TheCS_Student
- 13
- 3
1
vote
1 answer
Array keeps resetting itself after form submit
I have a code and an array inside like this one :
using System;
public partial class bug : System.Web.UI.Page
{
double[] Score = new double[10];
protected void Page_Load(object sender, EventArgs e)
{
load the form with questions from database…
Cem Sultan
- 79
- 1
- 13
1
vote
2 answers
UpdatePanel with PostBackTrigger does not update the Label outside it and carry on after postbacks
I have an update panel with postbacktriggers and the label that I plan to update is in the navbar, which is not included in the UpdatePanel where the triggers are located. Below is the structure of that code:
JPaulPunzalan
- 417
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1
vote
1 answer
C# Page Fields not populating as expected
Could someone please tell me what I am doing wrong? I am trying to call the method automatically when the page loads, however, it does not work.
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
…
HereToLearn
- 292
- 5
- 16
1
vote
1 answer
IsPostBack doesn't work in ASP.NET
I want that when the page is first loaded , the string str is initialized with the text "I am here". And when the page is updated by clicking on the button (btn_click) the value is the same that was initialized. But it does not work. In the console…
Paul9999
- 751
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1
vote
0 answers
if (!IsPostBack) not working with 2nd language
I have 2 tables in my page.
I can select between those 2, to choice the language.
In my code I have this:
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
username.Text =…
KikoFHM
- 122
- 14
1
vote
1 answer
Why Does IsPostBack Require runat="server" on the Form?
I must not understand something fundamental about the aspx page processing cycle. Please take a look at this simple example below.
…
Tom Baxter
- 2,110
- 2
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- 38
1
vote
2 answers
Drop Down List that is created by code behind refresh the page
I am trying to create a list of DDL using code behind as you can see here :
public List ddll = new List();
for (int i = 0; i < 15; i++)
{
DropDownList ansList = new DropDownList();
ansList.AutoPostBack = false;
…
Ehsan Akbar
- 6,977
- 19
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1
vote
2 answers
After button having postback
protected void Page_Load(object sender, EventArgs e)
{
Button cmdTemp = null;
try
{
cmdTemp = (Button)GetPostBackControl(this);
}
catch { }
FillTableDB();
if(IsPostBack)
{
if(cmdTemp == null ||…
ND's
- 2,155
- 6
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- 59
1
vote
2 answers
Update a label in server side in ASP.Net after Button Click
I want to update my label content when the user submits a form but it doesn't get updated. Although I have put it in if (!IsPostBack) condition in form load It doesn't show the changes. The only solution that I came up with was defining a counter…
user2552265
1
vote
2 answers
How to call a method only once in the first page load in the master page
I have the following case:
Page1.aspx this page has the master page master.aspx.
I have some code in the master page :
if (!Page.IsPostBack)
{
adjustServiceBar();
}
when i click any button in the…
Anyname Donotcare
- 11,113
- 66
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- 392
1
vote
0 answers
Google analytics with !IsPostBack
We're using google analytics in our webforms site. I have the google analytics javascript loading in the head section of the masterpage like this...
<%if (!IsPostBack)
{%>
<%}…
Stuart
- 1,544
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0
votes
4 answers
How do you use if (IsPostBack) in ASP.NET C#
How can I used if (IsPostBack){} to display user's names from two text boxes into another text box?
I have 3 text boxes and a button. The text boxes are named txtLastName, txtGivenName, txtOutput. My button is btnSubmit.
How can I display text from…
GivenPie
- 1,451
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0
votes
1 answer
asp.net calling button click event that i created
I am writing a web app in asp.net.
I have an aspx page that call a class (Test) that Generates a button and return the button.
The class constructor get the function that the button click event should activate (userClickOnButton)
and
insert to the…
user723686
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