I have a page that has a dropdown. When I select a value, it does a post and depending on the value, it get a webuser control and inserts it into a placeholder. The code is below. On the webuser control, there is a fileupload control with a button that does a post to upload the file. When I post, the web user control disappears?
[Code]....
what might cause the back button/history in Internet Explorer to become greyed out when navigation between web forms occurs?
Example - I have a hyperlink on my main webform that when clicked directs the user to a second web form. This web form has a variety of databinding occuring. When the page has finished loading/binding, the back button goes from blue to grey. It appears that the referring page is removed from the history as well.
I have used calender web user control inside my project where i took textbox,button and calender...but after dragging onto my aspx page..i am unable to access this textbox,calender and button on aspx page..
View 5 Replies I am using the following code to load user control on to ASPX Page, which under a Master Page:
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The user control name is passed as a parameter on the URL.
Inside the user, there is a LinkButton. The link button has a simple server side code for OnClick event.
Everything is working fine on the production machine, but, on the Development machine, I can see incorrect behaviour. I have started making some development changes on the Development Machine since several months back, and it will be very difficult to find out what caused the problem.
When I click the LinkButton inside the user control, the user control is removed from the parent page, and the OnClick event of the LinkButton is not firing.
I did debug, and found out that after I click on the LinkButton inside the user control, then the Page Load events for the master page and the ASPX page are working fine, and the IsPostBack is set to true, but the OnClick event of the LinkButton is not firing.
I work with dynamic webuser controls. Depending on a choice in a dropdownlist, I load the webuser controls from my database. In the Page_Load event, I load the controls. When the controls are loaded and a button is pressed, the values that are filled in,in the webuser controls' textboxes, must be saved in the database. when I click the button, the values of the textboxes are empty again. Here's my code:
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I am developing a C# VS2008/SQL Server 2005 Express website application. I'm a newbie to ASP.NET. I am using one of the database files in my App_Data folder. Also, I am trying to implement Security into this solution.
Everything works fine until I click on the Submit button. I traced through the code but didn't see why my Hashtable was changing to null.
Possible causes I've thought of:
* currently some of my methods are protected, some are private
* I have no Page_Load method defined in the DataMatch.aspx.cs file. Instead I have a Page_Init method.
I have included most of this DataMatch.aspx.cs file--hopefully this will give you enough info.
ddl_ht is the hash table that is getting set to null after it enters the btnSubmit_Click method.
I am also including my DataMatch.aspx code now also.
DataMatch.aspx.cs file:
public partial class DataMatch : System.Web.UI.Page
{
...
string targettable = "";
DropDownList ddl = new DropDownList();
// a Property that manages a counter stored in ViewState
protected int NumberOfControls
[Code]....
I have a small tabcontainer at the footer of my page with a gridview in several tabs - this works fine. Customer has asked for a re-design and for the tabcontainer to cover the entire page. When I increase the size of the tabcontainer (say to 550px) the gridviews disappear!
Noticed a few things;
- If i move the gridview before or after the tab container it is displayed
- There is definatly data in the gridview
- Controls on another tab work fine (these are the ones that were previously covering the rest of the page)
- I've created a Survey with multiple sections in it
- The answer types are variable and, thus, the controls are created dynamically
- I have a Repeater where each RepeaterItem corresponds to a Category. (I have 5 categories in my current test, so I have 5 DataItems in the Repeater) Each RepeaterItem contains another Repeater which will hold the Question / Answer values
- After I data bind the Category Repeater, I loop through each RepeaterItem, find the Repeater contained in each RepeaterItem, and DataBind() this second Repeater to a list of Questions
- After DataBinding the Repeater containing the Questions, I sent that Repeater object to another routine, which is where the Answer controls are dynamically created and added to a Panel inside each of this Repeater's RepeaterItems.
I am able to navigate back-and-forth among Categories, save / delete answers, and fill in answers for Surveys that were left incomplete when a user logs back in.
One of the the potential control types for an answer is a ComboBoxList.
Each Question has an option for answers that require a ComboBoxList called "MaxAnswers." When this value > 0, I inject a little javascript that prevents the user from selecting more boxes than the "MaxAnswers" value. This is done during the last step described above like so:
[Code]....
This appears to always be added regardless of how many questions I answer or don't answer or how many times or directions I navigate around inside the survey. (I can push "Back" and "Previous" buttons as well as jump directly to any individual category by clicking a LinkButton)
Another option for Questions requiring a CheckBoxList is to specify if the selection of a specific ListItem within the CheckBoxList should display a TextBox. (e.g. a selection of "Other" will display a TextBox for the user to write-in an answer) I want to prevent a post-back just to show/hide a TextBox, so I inject an onclick event attached to the specific ListItem to accomplish this. The following code appears as the very next routine following the code pasted above:
[Code]....
This also works the first time the page is loaded but not after any PostBacks...
The lblMessage.Text lines are written to the page after ever PostBack, the MaxAnswers routine correctly adds the onclick event to the necessary CheckBoxList controls, but the "fncShowFTB" event is not added. Viewing the HTML with Firebug does show the onclick the first time the page is loaded, but it's missing after every subsequent postback.
Can anyone see what I am doing wrong that causes me to lose this event?
The Firebug HTML on initial page load looks like:
<input type="checkbox" onclick="fncShowFTB(this,'FTB50');" name="dnn$ctr556$View$rptCategoryPanels$ctl02$rptQuestions$ctl11$ctl00$6" id="dnn_ctr556_View_rptCategoryPanels_ctl02_rptQuestions_ctl11_ctl00_6">
After PostBacks, it looks exactly the same except that the onlick event is missing.
As noted above everything appears fine until update button is clicked. The page refresh is blank - the formview displays no data. What's strange is that when I go back to that page the formview will not display data. The data is in the database, updated as expected. I tried rebinding on postback, nothing. The empty template is displayed.
<asp:FormView
ID="fvMainInfo"
runat="server"
[code]...
I have a FormView and the SELECT statement I have is as follows:
SelectCommand="SELECT [UserName], [Full_Name_1], [Full_Name_2], [Email], [Address], [City], [State], [Zip_Code], [Home_Phone], [Cell_Phone] FROM [Homeowners] WHERE ([UserName]='<%$ User.Identity.Name %>')"... but it results in the FormView disappearing from the web page. Note: at the top of the page,
<%= user.identity.name %> displays the name fine, so user.identity.name does contain the info I'm looking for.I am trying to figure out how to correctly format the SELECT filter to feed user.identity.name to the SELECT statement as a filter. ... or if there is an alternative way.
I have two web forms. One (Form1) with dropdownlist and button. Second (Form2) with the textbox , button and gridview.
I have the product list about 10000 items. When user go to Form1 and click the button. It will go to Form2 in which user will type the text in the textbox. And then click the button for filtering the productlist. the result will show in the gridview which will have select button in the first column.
When user select the product, Form2 will close and go back to Form1. The selected product will put in the dropdownlist in Form1.
How to do in the coding?
(1) Select button in the gridview with closing Form2, selected product put in the drop down list in Form1.
i placed my grid control and FromView control in the same page, the problem is when i click on the "update" in the grid control, the field validation control in my FrormView get excuted and the page would not post back to the server.
How can i update the grid control with-out posting back the Formview.
Using Vb.Net 2003 Asp.Net 1.1
I have a dynamic data bound drop down list, when the user selects thier selected item I have to use the autopostback feature.
Problem is: when the page comes back it is at the top of the page not where i have the control.
I don't really need it to focus back on the dropdownlist but to scroll to it, I want to do it in the code behind.
Any "New" ways to do it, I mean new as in code from like 2010 instead of old code from the early days.
I really don't want to use Page.Register new Script...... code if I can avoid it.
What would be cool is a ScrollToControl() Function for my code behind that worked but didn't register script.
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I have created a back button on my asp page. However, I would like this back button a a sinlge click to return the user to the page 2 pages before. I have tried to enter the history.back(2) but with no luck it does not work.
Code:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="GridViewDisappearing._Default" %>
<%@ Register Assembly="GridViewDisappearing" Namespace="GridViewDisappearing" TagPrefix="cc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
[code]...
The first time the page is requested, it displays the gridview with the data. But when I click on the button, the gridview disappears (and only the button shows up). When I comment out the code: int x = GridView1.Rows.Count; in the Page_Init(), the gridview does NOT disappear. Why is that one line of code causing it to disappear?
i m having problem with logout code in asp.net with c#. this logout code should end session, disable browser's back button and and if somebody try to login by paste the url of any user account page.i used this code in login page
protected void Button1_Click(object sender, EventArgs e)
{
Session["name"] = TxtUserName.Text;
}
and in logout i used this
protected void logout_Click(object sender, EventArgs e)
{
Session.RemoveAll();
Session.Abandon();
Response.ClearHeaders();
Response.Redirect("login.aspx");
}
nothing happening back button is still visible
I've a grid view which could have huge data. When any control like a button causes the postback, I do not want gridview data to post back as it is not required and results in slower responses.
View 1 Repliesones i select file i want to process that file directly not need to click another button to process
View 2 Repliesi create a user control
this user control have tree input type text
i can save a input value when a postback fire in page but i want
save all input value in post back
can i save value of more than one property of a server control when a bost back fire.
I have a gridview bound to a sqldatasource with editing enabled. If I click Edit, then either Cancel or Update, the update or cancel occurs and the Edit button reappears. However, I cannot then click the browser's back button without having the Update and Cancel buttons reappear. A second click of the back button takes me to a state where the Edit button shows again, *then* another back button click will take me to the referring page (the one before the one with the gridview on it.) IOW, it looks like the postbacks are cached. How can I prevent this and have the back button go straight to the referring page?
View 4 RepliesI am trying to see if it possible to create a back button that goes back 3 pages and refreshes that page. The make up of my page is a little complex. The Home page has a password prompt that enables a multiview to be visible with a gridview of information. The gridview has a details link that has a 2 querystrings that gets sent to the details page. The details page has the ability to be edited and updated. this is why I wanted it to go back 3 pages. The code I am using to go back is
<asp:Button ID="Button2" runat="server" CausesValidation="False" OnClientClick="javascript:history.go(-3);return false;" Text="Back" UseSubmitBehavior="False" />
When I click Logout page redirect to Login page but when click to browser arrow back then it will goes back, I want to after Logout cannot going to back page...
View 1 RepliesIn our site we are having a peculiar problem with SSL green bar. When we load the page SSL Green bar is showing up in the URL as usual but it diseappears after one second. I checked the view source and all the images are pointing to https only. I could't understand exactly what is causing the disappearing of Green SSL bar from the URL. Is there any thing that I need to check?
View 2 RepliesI am developing a C# VS2008/SQL Server 2005 Express website application. I'm a newbie to ASP.NET. I am using one of the database files in my App_Data folder. Also, I am trying to implement Security into this solution.
Everything works fine until I click on the Submit button. I traced through the code but didn't see why my Hashtable was changing to null.
Possible causes I've thought of:
currently some of my methods are protected, some are privateI have no Page_Load method defined in the DataMatch.aspx.cs file. Instead I have a Page_Init method. I have included most of this DataMatch.aspx.cs file--hopefully this will give you enough info.
ddl_ht is the hash table that is getting set to null after it enters the btnSubmit_Click method.
I am also including my DataMatch.aspx code now also.
DataMatch.aspx.cs file:
public partial class DataMatch : System.Web.UI.Page
{
string targettable = "";
DropDownList ddl = new DropDownList();
[Code].....
I need to process surveys. I have modelled them in SQLServer, just need to generate the forms to input it.I have nested SqlDataSource/DataLists. The outer gets the questions and the inner gets the various options as a plain HTML radio buttons. I can't use ASP.NET radio buttons because of a bug with them inside itemtemplates not mutually exclusive http://support.microsoft.com/default.aspx?scid=kb;en-us;316495Anyway, so now I need to know the which radio buttons were selected so I can insert the values in the database. What is the best way of doing it?
View 12 Replies