Web Forms :: How To Use Autosum In Listboxes
Jan 17, 2010
Im using Microsoft Expression Web 3 and am in the process of making a page for my Cab Company that basically calculates the price from an area in London (In listbox A) and an airport (In listbox B) along with the type of car used (Saloon, Estate, MPV) in a checkbox list.
If I were to set a value for each and every item in Listboxes A, B and Cars, is there some sort of autosum code I can use which calculates the price. The feature is only going to be a pricequote system for now untill we get some sort of booking system up and running so it is preferred that all calculations are done & displayed on the same page.
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Feb 17, 2011
I have 2 listboxes, when i add a item retrieved from database to Listbox1, i need to select the item and bring it to listbox2. But i do not want to have same records added again. In my case, i cannot use the codes below
[Code]....
because the text displayed on listbox1 and after transferring to listbox2 are different. So i come out with a logic which is "if listbox2 does not contain the item value in listbox1 then populate listbox2". So i tried the codes below, but it is not working as there are errors
[Code]....
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Mar 10, 2011
I have a web app that has two listboxes on the page. The first listbox has selection items that can be chosen and moved over with back and forward buttons to the destination listbox.
I can't figure out how to validate the destination listbox for empty items on a postback. I have tried to use a custom validator, but I can't get the validator to fire unless I actually select one of the items with the mouse.
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Mar 2, 2011
All of my listboxes seem to work right in all browzers but Safari. Any trick to getting them to work with Safari?
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Jan 12, 2010
I have two drop down listboxes in a GridView control. I want to populate the second drop down listbox based upon the value that was selected in the first drop down listbox. Currently I have not been able to populate the second drop down listbox. I am attempting to do this in the C# code file. See line 26 below.
// Here is some of my Aspx code:
this first item template populates the first drop down listbox:
<ItemTemplate>
<asp:DropDownList ID="ddlFirstDropDown" runat="server"
DataSourceID="SqlDataSourceBodyBuild"
DataTextField="BodyPart" DataValueField="EmployeeId" AppendDataBoundItems="True"
Width="110px" AutoPostBack="True"
onselectedindexchanged="ddlFirstDropDown_SelectedIndexChanged">
[Code]...
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Aug 4, 2010
I have two databound listboxes. I am able to move items between them using add and remove buttons using for loops. However I have no idea how to commit the items back to the db when the user finally clicks on the Save button on the form.
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May 17, 2010
I have two listboxes on one panel. Box on the left has names from the database, there are two buttons. High light a name and click button1 and the name move from listbox1 to listbox2. How do you do that?
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Dec 13, 2010
I have a table in SQL Server which gives me a list of products (PRODUCT), and the products category (CAT). Right now I am putting all the products in the same ListBox:
foreach (DataRow row in ds.Tables["ProductsTbl"].Rows)
{
string str = string.Format("{0}", row["PRODUCT"]);
ListBox1.Items.Add(new ListItem(str));
}
But I need to create as many listboxes as there are categories, and distribute those products according to the category. Categories might be added or removed so I need to create them dynamically. So lets say the table has 5 products in category 1, 4 products in category 2 and 7 products in category 3, I would need 3 Listboxes created. The first with 5 items, the second with 4 and the last one with 7 items
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Dec 19, 2010
I want to create multiple listboxes when you select the first it does a database query which gets a list for the second list box and it carries on for the third and so on. Beside each list box is a form to insert an entry for that list is there an article or video on how to do this. Some ajax might be needed to do what I want Im not really sure what to do I can't find an article on this.
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Feb 25, 2011
I have three ListBoxes each representing a single field database table. They are presented side by side on the ASP.NET page. Is there any way to group them so that only a single item from any of the boxes can be selected at a time?edit - ie, if item 3 in box 1 is selected, selecting any item in box 2 must unselect it
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Feb 22, 2011
I am developing an mvc 2 application.In my form i have a listbox. Based on selecting the items in the listbox a vertical tab is created.the tabs in the vertical tabs are created corresponding to each item selected in the listbox.after the creation of the vetical tabs each vertical tab will be containing a listbox.here the user can select the list items.now my problem is that i want to know which all items in each listbox in each tab is been selected .some code:
[Code]....
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Feb 4, 2011
I am having a lot of trouble with a seemingly simple thing. In an ASP.NET webform I have two ListBoxes, with Add and Remove buttons in between. The user can select items in one ListBox and using the buttons, swap them around. I do this on the clientside using javascript. I then also have a SAVE button, which I want to process on the server side when the user is happy with their list.
Problems : First I was getting the following problem when I clicked SAVE :
Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation. I read that one of the methods to get around this was to put my ListBoxes into an UpdatePanel, which I did, and I am getting further.
However, now the event handler for the button's Click event is not being run if the user has used the clientside javascript to alter the contents of the Listboxes. If the user has not altered the contents of the listboxes, the handler does execute.
[code]....
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Jun 15, 2013
how to show the progress bar when file is upolading
in windows application with C#
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May 7, 2015
URL....I use this one as my login, and I addes hyperlink for Forgot Password. But why I can't access the FORGOT PASSWORD.aspx for every time I click it. And when I login it redirects t Forgot Password.How I can access it without logging in?
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Apr 13, 2010
In our application we are using forms authentication, we have given defaulturl also in the config file. But the problem is that it is not getting redirected to the default url when the session timeout is occuring.
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Mar 21, 2010
I have been presented with numerous word and excel docs. The goal is to put them online and bind to a database for the fields and also to store data for easy searching and reporting.
Has anyone done anything like this before?
I know the easy solution would be to create a database table for each particula form and also an ASP.net page for each form.
But then there are problems like printing and correct formating so it fits on the page, spaning multiple pages and so on.
And also is there any advice on how to write to PDF straight from the page?
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Jan 18, 2011
I have a treeview named Treeview1 with checkboxes. I want the child checkboxes to be checked if parent is checked.
I am trying to use a simple code that I found on msdn :
[Code]....
For some reasons I got this error and I really dont understand why:
Type 'System.Windows.Forms.TreeViewEventArgs' is not defined.
warning BC40056: Namespace or type specified in the Imports 'System.Windows.Forms' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases.
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Jan 25, 2010
Really getting better with VS, but I've mostly been displaying data. I'm on a new project and now and I have a lot of data entry forms to create. I created a form to enter data into an access db and got it working. I thought it would be cool to add an edit button that fired a gridview to load on the same page, under my original forms, so that that they could load up the data and edit or delete mistakes. But when I try to update the gridview, it also tries to post the original forms (text boxes), which fail because there is no data in them, and I get an error.
What is the proper way to handle this in asp.net? I'm sure this is kind of a common issue. I've done some searching, but the search terms, like forms and gridview, are kind of generic and I'm not coming up with anything useful. I just need a more experienced person to point me in the right direction and I'll get it figured out.
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Jun 16, 2013
I do have combo box on my page where the items are retrieved from database.
I have an link label which leads to new form to add value for corresponding column in database.
After add the value, when i click refresh on my current page, the values in combo box must be updated.
I have used this
private void button3_Click(object sender, EventArgs e)
{
this.Refresh();
}
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Nov 11, 2010
We have a number of projects and across projects cerrtain forms are duplicated.
Is there a way that I can create one form and reuse it across multiple projects?
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Feb 19, 2011
I am using forms authentication, and for some reason it shuts off my images. I have tried putting them in the same directoy, and still nothing.
If I turn off forms authentication, they come back alive so I know my urls are correct.
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Feb 24, 2011
My images show up find in design time, and if I have logged in and go back to the page, they show, but upon initial login,they aren't visible. What do I need to do?
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Mar 7, 2011
In windows forms, there is the "show data sources" under the "data" menu item, and I love it because I can drag and drop the fields I need onto the form and it makes the control automatically.In web forms however, this option isn't there. Why? I try to drag and drop fields from the "server explorer" but it generates grids, I don't want grids I just want to drag and drop the text boxes or checkboxes etc.
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Apr 8, 2010
Created in VS2008
The login page is created with the masterpage and it has the header picture.
After Logout or run FormsAuthentication.SignOut();
The login page is not showing correctly with the header (from master page).
And the setting on the web.config as below:
<authentication mode="Forms">
<forms loginUrl="Login.aspx" name=".ASPXFORMSAUTH">
</forms>
</authentication>
<authorization>
<deny users="?" />
</authorization>
Is there any reason why the header from masterpage can not be viewed from the login page?
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Jan 6, 2011
Form1 is for the administrator. It has 5 fields. Field1 has a value for which the other values give details about it. This 5 fields are stored in a table. Form2 is for a user and its a data entry form. This forms has 12 fields. Each label in the form2 corresponds to the value of Field1 in form1. If suppose the admin fields 10 times the form1. The 10 labels of form2 are filled with values of field each time. The above is what I want to achieve. Also the two text box corresponding to the remaining two labels should be disabled for user.
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