Web Forms :: Creating Dynamic Form Fields And Getting Back Results?
Mar 11, 2010
I have tried various techniques that some seemed to have outlined and so far none of them have worked. I have a situation where the Page_Load() needs to build a set of <input id=<dynamic name'>> that are build dynamically inside a <ul>. The form gets created fine but when I click the button and look at the results returned to the server I cannot seem to find the input values. Is there a defined way of accomplishing this?
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Similar Messages:
Feb 25, 2011
I have a relatively complex dataset (numerous tables, some with multiple records) generated from reading in an XML file. I need to connect said dataset fields to an ASP form. At the moment I'm assigning them manually, like so in the pageload:
txt_first_init.Text = formData.ds.Tables["phrmHdrKey"].Rows[0]["first_init"].ToString();
txt_last_name.Text = formData.ds.Tables["phrmHdrKey"].Rows[0]["last_name"].ToString();
ddl_pregnancy_flag.SelectedValue = formData.ds.Tables["pPhrm"].Rows[0]["pregnancy_flag"].ToString();
And conversely when it's time to submit.
formData.ds.Tables["phrmHdrKey"].Rows[0]["first_init"] = txt_first_init.Text;
formData.ds.Tables["phrmHdrKey"].Rows[0]["last_name"] = txt_last_name.Text;
formData.ds.Tables["pPhrm"].Rows[0]["pregnancy_flag"] = ddl_pregnancy_flag.SelectedValue.ToString();
I did some looking into binding the textboxes (and dropdownlists, and checkboxes, and and and...) directly, but it seemed to be too many formats to use.
So this works fine, but as the number of fields increases, those load and unload lists are going to get unwieldy.
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Sep 29, 2010
Im developing ecommerce website and i want to add category menu to my website. This category menu should have 2 levels for sub categories as well. I tried navigation controls in ASP.net. But still i cant understand how to create the navigation menu in order to integrate with back office. I understand that i can do this with XML file, But if i want to add new products categories or remove categories, XML file should update automatically according to that. I don't understand how to do that. In brief all i want is create category menu with subcategories and i want to control this from my back office.
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Aug 14, 2010
I'm working on a asp.net forms web application where I've got advanced search form with grid listing results below. Grid is sortable and pageable. Grid is listing products.
I've got two requirements :
1) make the url remember the advanced search form state so search results page can be bookmarked etc.
2) on the product details page there is a back button that should take the user to the advanced search page with the same settings in the form and same grid state.
I have implemented a workaround to above two problems but I don't think my solution is very clean and I'd like to hear better ideas. My workaround is as follows :
1) I iterate through form fields and I put values into the querystring after the hash. So when the page is loaded it gets the values from url if available.
2) when user clicks a link to product details page from the grid I use javascript to create a cookie with url to advanced search page so when rendering the product details page I know the url for the back button.
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Mar 10, 2011
I'm working on a very dynamic site build at the moment. What I'm trying to do is creating something like a survey that can be created dynamically from a control panel. In the control panel you add input fields (these are saved in a database), what the user then see is a form that I generate from the database. So if I add 3 input fields to the database the survey will contain 3 fields. If I add 20 fields the survey will have 20 fields.
Now my problem is that I want to validate these fields, and I would like to be able to hook me in with the standard validation flow. I can't create a Model with validation rules since the number of fields and their names are dynamic the only thing I know is what kind of data that is expected in every field (this rule is found in the database). In an ordinary case I would get the automatic highlighted fields that are not valid and so on thanks to the built in validation flow with ValidationResult and so on.
So the question now is can I somehow simulate parts of the validation and then hook me back in with the validation result, and if not valid, the form prints the error messages and fill the fields with the data that was given?
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Jul 28, 2010
So am adding fields in the code behind and now want to add required field validators. Kicker, I think comes into play becasue all this is in a master page. So even though I may set the id of the textbox to say tb4, it's no longer tb4. So when I add the required field validator and tell it the control to validate is tb4, I get the yellow screen of death telling me thtat tb4 does not exist... cause it's the long huge master page ID. What do I do?
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Dec 30, 2010
Beginner question:
I'm not sure if this is specific to Telerik's plug-in I'm trying to use or if it's a 'generic thing' I'm doing wrong ?
I have a RadTextBox:
<telerik:RadTextBox ID="RadTextBox1" Runat="server" name="nameTest"/>
And I have an ASP button that run this code:
Dim a As String = Request.Form("nameTest")
Dim b As String = Request.Form("RadTextBox1")
Both a and b always remain null.
Questions
- How do I get postback values from Rad/components ?
- How do I get postback values from Rad/components when they are in user control ?
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Jan 20, 2010
In my web application, i am using a RaiseCallbackEvent which gets fired on form change(to give AutoSave functionality).The problem is, if i have Requied field for 2 or more fields, on firing an event, required filed validation is asked & on entering values, RaiseCallbackEvent fires as there is form change.In this case the last postback event is also getting fired along with RaiseCallbackEvent which is creating undesireable results. Is there any way to stop this? ...
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Mar 8, 2010
I have a page showing user records in GridView. Users can do paging, sorting, filtering all on the page. All records inside GridView have typical edit and delete buttons. When user click Edit button I load complete record on the next page which user can edit and save. When user save record how can I send user back to the GridView page displaying the same record which user has editing. I means if I simply use Response.Redirect and send user back the page with GridView load again with first page of the grid and user can't see the same record which user has edited after moving forward few pages in the GridView.
Also when user save record on the editing page. Why user need to press browser back button twice to go back to GridView page? I think if I can create a link or button on the editing page which can send user two pages back by playing with browser history or javascript my problem can solve.
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Mar 23, 2010
I have around 5 SQL queries that are returning datasets to my VB.NET application, the queries could be any number not just 5. I have a listview already on the page and all the queries will return the same exact data types (just different numbers). How can I create a listview in the code behind for each one? Or what would be my other options to load up all the results
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Nov 25, 2010
I have four pages and user enters certain information and navigates to the next page. In the last page, when user clicks on submit button it will redirect him to the confirmation page. Once the user is in the confirmation page and clicks on back button, all the fields in the previous pages must be non-updatable. Note: User can use the back button to view his previous data but not-updatable anymore.
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Jul 13, 2010
I have a gridview that have 5 columns. The first column is the select button, 2nd to the 4th are just displaying of data which I have used HTMLdecode to set it to disable the htmlencode so that I could display 2 lines in the gridview. However, after enabling htmldecode. my 2 fields, the select button and the text box columns are not able to be displayed out.
Here is the code for the gridview:
Protected Sub gvTransaction_RowDataBound1(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles gvTransaction.RowDataBound
If e.Row.RowType = DataControlRowType.DataRow Then
Dim cells As TableCellCollection = e.Row.Cells
' cells
For Each cell As TableCell In cells
cell.Text = Server.HtmlDecode(cell.Text)
Next
End If
End Sub
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Jun 17, 2010
I've got an SQL script that fetches results based on the colour passed to it, but unless I set the size of the variable defined as a varchar to (50) no results are returned.
If I use: like ''+@Colour+'%' then it works but I don't really want to use it in case it brings back results I don't need or want.
The column FieldValue has a type of Varchar(Max) (which can't be changed as this field can store different things). It is part of aspdotnetstorefront package so I can't really change the tables or field types.
This doesn't work:
declare @Col VarChar
set @Col = 'blu'
select * from dbo.MetaData as MD where MD.FieldValue = @Colour
But this does work:
declare @Col VarChar (50)
set @Col = 'blu'
select * from dbo.MetaData as MD where MD.FieldValue = @Colour
The code is used in the following context, but should work either way
<query name="Products" rowElementName="Variant">
<sql>
<![CDATA[
select * from dbo.MetaData as MD where MD.Colour = @Colour
]]>
</sql>
<queryparam paramname="@ProductID" paramtype="runtime" requestparamname="pID" sqlDataType="int" defvalue="0" validationpattern="^d{1,10}$" />
<queryparam paramname="@Colour" paramtype="runtime" requestparamname="pCol" sqlDataType="varchar" defvalue="" validationpattern=""/>
</query>
Also I can't set the size in <queryparam paramname="@Colour" paramtype="runtime" requestparamname="pCol" sqlDataType="varchar" defvalue="" validationpattern=""/>
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Jan 31, 2011
I have a simple .net form with two input boxes to choose the event and location. On button click, an xml url is built and this xml file is read using ReadXml, dataset is built and the results are displayed in the same page. I have both the forms to run at server and it says I cannot have it.
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Jun 11, 2010
I have a view that is strongly typed:
<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<MPKwithMVC.Models.SmartFormViewModel>" %>
Works great to generate the view, but when I post, I have an ActionResult defined:
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Next(MPKwithMVC.Models.SmartFormViewModel model)
{ .. }
Which I would imagine get hit when my next button is clicked (it works if I change the argument to a FormsCollection). I instead get a message saying "No parameterless constructor defined for this object".
My SmartFormsViewModel is:
[Serializable]
public class SmartFormViewModel
{
public List<Question> Questions { get; set; }
public List<Answer> Answers { get; set; }
[Code]....
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Jun 11, 2010
I have a view that is strongly typed
[Code]....
Works great to generate the view, but when I post, I have an ActionResult defined:
[Code]....
Which I would imagine get hit when my next button is clicked (it works if I change the argument to a FormsCollection). I instead get a message saying "No parameterless constructor defined for this object".
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Jan 15, 2011
i have assigned few values to 10 dynamically created text fields
eg : string abc = "<input type="text" id="field"+i+" " />";
above string i have displayed in front end thrgh response.write i.e by assigning string abc to viewstate. also i am tryin to genetrate above input fields from database , so i have to make it dynamic in a loop. so when a user updates any of those dynamically created fields i need to retreive those values in a loop
something like this :
field1.text , field2.text ......so on till fieldn.text ....i want to assign these values to array
like :
string[] arr1 = new string[nooffields];
arr1[i] = fieldi.text;
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Jan 4, 2010
I would like to create dynamic fields to search data from Databbase, The interface should be as below:
CustomerID
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Mar 29, 2010
Scenario: I have a form with 3 input fields (text1, text2, text3). Is there a method to capture these fields in the aspx file of a second webform? I think you have to use someting like <%= %> but I'm not sure.Idon't want to use the code behind file because the number of input fields is dynamic
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Feb 28, 2011
I dynamically created Textbox. I don't know the final number of textbox, but I want to get back all the Text value of each textbox. if possible in the code behind. Here is the code for creating my textbox:
[Code]....
I want to get the Text value when I clicked on a asp:Button. If possibe I would like to avoid using Javascipt
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Feb 12, 2012
I am going to deploy my Application on server but instead of specifying connection string (servername .server userid , password) in web.config manually is their any way of entering the server details in the web.confi file dynamically from client side when i first run the application.
in the starting page the user must specify the server details and database name from which he want the data to be loaded .And once i enter the server details it should bepermanently stored in the web.config file instead of dataabse.
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Apr 19, 2010
I am a completely new to ASP but have been given the task of creating some simple forms for my employer. how I could validate the Email, Website fields? And also make the Post Code a required field?
[Code]....
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Jan 7, 2011
I'm not entirely sure which forum this belongs in. It works with both my ASP.NET form and my SQL DB.
Okay, I built an application from scratch a couple years ago and am trying to add some functionality so I don't have to do so much manual work.
I have two relevant tables, tableClasses and tableStudent2Class
Classes have 4 possible sessions that are available. These are bin fields which I mark as true if they're available for registration. There are upwards of 40 different classes that are available. Each class has a defined number of slots available (an int field).
The tableStudent2Class connects the tableStudents to tableClasses. There are three fields: classID, classSessionNumber, and studentGUID.
Now, is there some way to make the DB and/or form change the available bin fields to false when they receive a certain number of registrations?
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Jul 14, 2010
How to get updated values of fields in form through InnerHTML tag?
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Jul 6, 2010
I have a ASP.NET (VB) Dynamic Data Project in ASP.NET 4.0. It works great - and offers filtering - but now I want to add searching to it. What is the best way to accomplish this in ASP.NET 4.0? Is there any built-in functionality for performing searches declaratively?
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