MVC :: Iterating Through Form Elements With Same Name?
Mar 21, 2011
Currently, I have a list of PhoneNumber objects that I display. Here's an example of the output of the view:
[Code]....
Notice the naming of these elements: name="existing_phone[labels][6]", name="existing_phone[numbers][6], name="new_phone[labels][]", name="new_phone[numbers][].Back in the Classic ASP days, I recall being able to do something along the lines of:
[Code]....
And that would give me a 2d array of phone numbers to work with. This doesn't seem to work in .NET. Has anyone tried to do something similar that can point me in the right direction?For new phones, I should simply be able to iterate through each item and insert into the database. For existing phones, I should be able to update (or delete if the label or number are blank) records based off of the id number supplied in the array.OR..if anyone has a better, alternate solution, I'm open to something else.
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Mar 1, 2010
I have...a dynamic populated select box several input boxes a submit button form fields are loaded initially using cookies several dynamic populated divs
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Sample code:
[code]....
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Feb 21, 2011
So I am new to ASP.NET MVC and I would like to create a view with a text box for each item in a collection. How do I do this, and how do I capture the information when it POSTs back? I have used forms and form elements to build static forms for a model, but never dynamically generated form elements based on a variable size collection.
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[Code]....
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Mar 3, 2011
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[Code]....
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Mar 2, 2010
I have a URL /products/search where Products is the controller and Search is the action. This url contains a search form whose action attribute is (and should always be) /products/search eg;
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Mar 15, 2010
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May 13, 2010
I am working on some ASP.NET web forms which involves some dynamic generation, and I need to add some onClick helpers on the client side. I have a basic outline of something working, except for one huge problem.
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I have provided a simplified sample version of the code below. This code is trying to set the value of textbox box1 when a particular radiobutton is selected in the table with id=thing1. Obviously, the jquery code will be triggered for the form fields in both tables.
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[code]....
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Dec 30, 2010
How can I properly receive these Array of Inputs on asp.net?
[code]....
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Oct 21, 2010
I'm building a shopping cart page that could potentially contain dozens of separate items. Each item has a collapsible panel that contains several form elements that can be used to customize it. Most of the cart is wrapped in an UpdatePanel so that I can avoid a full postback when the user makes changes. When there are many items in the cart, there are of course many many postback elements, all of which are included in the raw form post, even though each post is really only triggered by the change of a single element
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Oct 12, 2010
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Jan 6, 2010
HOW TO Force C#/ASP.NET to not rename input elements to work consistantly with Form.GetValues.
ASP.NET changes the "name" property of input elements set with "runat=server" to match their ID property at run time. This causes server-side calls to HttpRequest_Page.Form.GetValues to now be able to get the expected Form element.
Example:
.aspx page...
<input type=text id=txtMY_NAME name="MY-NAME" runat=server>
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string csSECRET = HttpRequest_Page.Form.GetValues("MY-SECRET"); // Fails...
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.aspx at run-time
<input type=text id=txtMY_NAME name="txtMY_NAME" runat=server>
<input type=hidden id=hidMY_SECRET name="hidMY_SECRET" runat=server>
I do not want ASP.NET doing this. I do not want to change the naming convention of my id properties either. In fact, I need the ID to be different than the name, as I use client side script to change/create/delete controls on the fly.
What can one do?
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Nov 3, 2010
I have 2 methods I tried to iterate through all my textboxes in an asp.net page. The first is working, but the second one is not returning anything. Could someone explain to me why the second one is not working?
This works ok:
[code]....
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Jan 20, 2010
I've got some labels in a listview, 2 per row. One contains a title, the other information. I want to change all the titles when the user presses a button that fires the ListViewSelectEventArgs. I think they have the same ID since they're from the ItemTemplate, so I thought that's how'd I target them. I'm just not sure how I'd step through the listview.
Here's my attempt:
int x = 1;
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{
if ( this.lvSteps.Controls[0].Controls[i].GetType() == typeof(Label) &&
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}
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Jul 18, 2010
I have a DataView which filters
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Is there something in LINQ to execute the following?
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Mar 2, 2010
I have a string of information that I need to parse. I've written a regular expression to find the information I need. Now how would I iterate through each regex match and add it to a list (or do something to it)?
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Feb 25, 2011
how to iterate through the rows in a database table without using a GridView? I have a DataSet and a SQLDataReader, but I can't iterate through rows using the SqlDataReader.
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Jan 19, 2011
System.InvalidCastException iterating through Viewdata
I need to replace the code
"<%=Html.DropDownList("Part", (SelectList)ViewData["Parts"])%>"
for dropdown in the following manner for some reason.
<% foreach (Hexsolve.Data.BusinessObjects.HSPartList item in (IEnumerable)ViewData["Parts"])
{ %>
">
<%=item.PartName %>
<%=item.IssueNo %>
<% } %>
I am getting error converting SelectedList to IEnumerable) Error: Unable to cast object of type 'System.Web.Mvc.SelectList' to type 'System.Collections.Generic.IEnumerable`1[Hexsolve.Data.BusinessObjects.HSPartList]'. Is this the right way to iterate through viewdata[].
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Jan 26, 2011
this is general to any operation calling an SQL server, or anything requiring an open connection at that.Say I have anywhere from 20 to 1000 Select calls to make for each item in data being looped. For each step, I'll select from sql, store data locally in a struct, then proceed. This is not a very expensive call, so should I keep the connection open for the entire loop? Or should I open and close every step? How expensive in run time is opening a connection? I would think it'd be better to keep the connection open, but would like to get the correct response for this.
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