MVC :: Update Database From Dynamic List Of Checkboxes?
Mar 8, 2011
I'm fairly new to MVC and have an issue converting something I created using normal ASP.NET to MVC framework.I have a database with one to many relationship between 2 tables. I need to be able to make amendments to the single parent row in the same page as that which will edit the many records. The values to be edited in the table with many rows to be edited are either true or false and will be edited using a checkbox.
To make it a little more complicated the list of checkboxes is actually dynamic and is built from another table.In the normal ASP.NET page, all the controls are placed in a details view and the dynamic list of checkboxes is added to a placeholder on Page_Load. Then I get the list of values that are true and, for each row in the list, use FindControl to find the checkbox with the appropriate ID and set it to flagged.
I've got the MVC page working so far as follows:
I can build the checkboxes I need by passing the list of ID's using the ViewData.
I can also add, and edit the fields that are in the table with the single row that needs to be edited.
What I'm stuck on is:
Populating the appropriate checkboxes with "true" as appropriate
Subsequently saving any updates to the checkboxes when the save button is clicked.
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Oct 4, 2010
on page load I fill a repeater with checkboxes. I use a separate tablelist (subcatID & userID) to check if chkbox is checked or not.
On pageload and works fine (according boxes are checked):
[Code]....
When submitting the adapt button .. nothing happens and I can't figure out why ..
[Code]....
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Jan 14, 2010
I have a query give me two column and several rows say 20.
The first column i want to bind with dropdown list and second to textbox.
i would like to dynamically create dropdown list as well as textbox as i do not know how many rows i will get it every time.
My select query is like this -
"select subcatid,categoryname from category where catid=10"
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Oct 17, 2012
I am creating a dynamic database table, inserting some records in dynamic table and generating update command dynamically. (This part is running ok)
Code:
// Create Table
public void createtable()
{
string sql = "CREATE TABLE " + txtTableName.Text.Trim() + "(" + "InfoCode nvarchar(MAX) NULL, UserName nvarchar(MAX) NULL, Mobile nvarchar(MAX) NULL, Email nvarchar(MAX) NULL";
[Code] ....
And in another page i am displaying the list of all the dynamic database tables. Here user selects table from gridview and the data is displayed to him in dynamically generated HTML Table with Dynamic textboxes. (This part is also running ok)
Code:
// Display data
protected void getTableInfo()
{
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string NotCmd = "Select * From NTL Where InfoCode = @InfoCode";
[Code] ....
Now the problem is how to update the record in database through this dynamically generated html table and texboxes. When I run my dynamically generated update command, all the dynamic controls is lost in postback.
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May 5, 2012
Here is my .aspx page
<asp:Repeater ID="Repeater1" runat="server"> <HeaderTemplate> <tr bgcolor="maroon"> <th>
Subject Id </th> <th>
Subject Name </th> <th>
Obtained Marks </th> </tr>
</HeaderTemplate> <ItemTemplate>
[Code] .....
c# - code behind
protected void Page_Load(object sender, EventArgs e) {
if (!IsPostBack) {
this.PopulateRepeater();
} } private void PopulateRepeater() {
[Code] .....
Current repeater looks as...
Subject_Id Subject_Name Marks
s1(lable) subject1(lable) 56(textbox)
> Now, I want to make Updation with repeater (in same application).
I want to update Marks(into textboxes only, sub_id and name fatched from database dynamically) in each row of repeater.... how is it possible ??
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Mar 25, 2011
I have a ASP.NET AJAX Autocomplete Textbox and Two other dropdownlist in a Update Panel. On selection of an item in Autocomplete Textbox, I want to populate Dropdown list from Database.
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May 19, 2010
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Nov 29, 2010
I'm sure the answer to this problem is very simple, however, I've been racking my brain on this one. I am adding rows/cells to a table dynamically.
[Code]....
When I check or uncheck the box, it fires the page load and not 'MarkFormCompleted'. No matter what I do, I can't get it to fire 'MarkFormCompleted'.
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Aug 5, 2010
I have a code below...that dynamically create a checkboxlist.....
....connection code....
Dim da As New SqlDataAdapter(myDBCommand)[code]....
Ok so that works ...data coming from the database populating the checkboxlist...:)when the user click on some values...I want them to go to another page.....ok ..so I have all the values they selected.....page going to another page.....but what I want to do is when they come back to the page where this Dynamic checkboxlist is on...I want to select all the checkboxes they selected. ...before they went to this other page...so how can I dynamically select certain checkboxes from the dynamic checkbox....? the values will be stored in a querystring...not a database....so how can I use the querystring value and re select the checkbox corrisponding to the querystring value?
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Mar 4, 2011
I'm trying to build a list of checkboxes, each one with a textbox/textarea associated to it. The plan is for it to look something like this
[checkbox]
[textbox]
[checkbox]
[textbox]
[checkbox]
[textbox]
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Mar 15, 2011
I am working in asp.net 3.5 with c# and sqlserver 2005 as database. I my project i have to select some of the checkbox of a gridview and update the database according to that. I want to store all the selected box in a arraylist and update the database according to the selected list . But i am not getting how to proceed.
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May 26, 2010
On my website, registered users can make a profile about themselves suchas name, Favoirite color, hobbies, etcI have a DataTable called User which hold this information.also there are other datatables for Hobbies and Colors which list all possible options.To let the user update their choices I have a FormView in Edit mode on the aspx page whichis binded to the UserTable with a GetProfileByUserId Method and objectdatasource.
Within the formview, i have added drop down lists that are binded to the hobbies and Colors tables so they can edit their previous selection.On clicking Uodate update formview calls an Update Method that adds new selections to the User databaseNow I have two questionsIs it possible to show in the dropdown list the selected value that the User has already made?If the user only changes hobbies and not colors when they click update will a null value be passed into the data table for colors that replaces their previous selection?
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Mar 11, 2011
I want to create List of Grouped Checkboxes as follows:
[]Group1
[] Item1
[] Item2
[]Group2
[]Item1
[]Item2
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Nov 19, 2010
i want to insert checkbox text only if they are checked. .. how to do that ..
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
TextBox1.Text = Request.QueryString("txt")
Dim splitted As String() = TextBox1.Text.Split(",")
For Each id As String In splitted
Dim ctrl As Control = Page.FindControl("checkbox" & id)
If Not ctrl Is Nothing Then
Dim chkbox As CheckBox = DirectCast(ctrl, CheckBox)
chkbox.Enabled = False
Dim arrList As New ArrayList()
'populate the list with some temp values
arrList.Add(CheckBox1.Text)
arrList.Add(CheckBox2.Text)
'databind the list to our repeater
Repeater1.DataSource = arrList
Repeater1.DataBind()
End If
Next
End Sub
This code will add all checkboxes whether it is checked or not !
so that only checked checkboxes would be added in array list
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Mar 14, 2011
I have a table that get populated via an external text file. I am not sure of the exact process as I'm relatively new to the company.
The table does not have a primary key as the entire table is dumped and re-loaded every quarter when there is a new text file.
Enter ASP.NET MVC. I need to display that table with checkboxes in a grid so the user can select some rows and send it back to the server. It sounds relatively easy, but I am really not sure what to put as the value for the checkboxes as I am pretty sure I'll need to use multiple columns to create a unique. Yep, I know, I know :).
OldTable
- Field1
- Field2
- Field3
...
- FieldN
The View
...
<input type="checkbox"
name="bunchOfStuff"
value"Field1Value,Field2Value,Field3Value"/>
...
Would something like this work? If I can create a key with a few fields, can I use those fields as the value in the checkbox? I realize my action will be a bit ugly as I'll have to split and parse each value in the array of values.
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Mar 29, 2010
I got a list of customers I thought I would list in a gridview or a repeater with customer html, it gone have paging. I'm gone have a checkbox for each customer in the list. Do you guys have any suggestions on how I should do to keep the checkbox value when I go to page 2-3-4 ect in the paging. I'm thinking a session to store the id of the checked customers. After I'm done setting the values they go to the database.
Do you got any other ideas then the session I'm thinking of?
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May 15, 2010
I'm having a bit of a problem with this code.
The program gives me a list of checkboxes but a user ID. then u user can change his selection and push the save button (id="btnSaveUserIntersts") and i am trying to save in the hidden textbox all the values of the checkboxes that was choosen.
The problem is that i am getting all the time the same selections that came form the database and not getting the new selection that the user made.
what am i doing wrong here?
[code]...
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Mar 15, 2011
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[Code]....
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[Code]....
Problem is I don't know exactly what am I doing wrong, because my event doesn't fire, when I press "update button.. Update button fires "update" function on click:
[Code]....
I hope someone will try to explain.Do codebehind and html needs to be in the same document? Can I use ascx and use "update" button there, to fire aspx methode?
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Jul 21, 2010
How to do bulk edit/update with checkboxes in GridView control where in the selection of editting a row needs to have some info brought from db for validation on update?
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Apr 15, 2010
I have to populate checkboxes with data coming from database, but no checkboxes are showing on my page. know the correct way to do that. In C#, the page_load method I've written is this:
public partial class dbTest1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string Server = "al2222";
string Username = "hshshshsh";
[Code]....
And in the .aspx, I have this:
<asp:CheckBoxList ID="Interests" runat="server"></asp:CheckBoxList>
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Aug 26, 2010
This morning I posted a question w.r.t Radio Buttons, but the requirement changed so I'm posing a similar question.
I want to have a checkbox in a datagrid.
Suppose I click on one of the checkboxes and then realize i need to click on another, the screen has to automatically uncheck the previously clicked checkbox and then check the newly clicked checkbox.
In other words I need to clear previously checked checkboxes and check the recently clicked checkbox.
Also, I need to update a label in the page with a value associated with the row of the checked checkbox.
I should not be using a javascript to do this.
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Aug 4, 2010
I have an application that needs to render a page that will have multiple Radio Button Groups as well as multiple CheckBoxes. The desired layout is determined by a database table.
table structure:
PackageID uniqueidentifier
PackageName string
ItemName string
RadioGroupName string
ViewControlName string
This table defines a "Package". The "Package" can contain many different "Items" that require different controls used in the View. The "RadioGroupName" field is used to mark which RadioButtons should be grouped together. The "ViewControl" field marks which control should be used on the View to display the field. The query in my repository will return a result set such as
1 / "First Package" / "Item1" / "First Group" / "RadioButton"
2 / "First Package" / "Item2" / "First Group" / "RadioButton"
3 / "First Package" / "Item3" / "First Group" / "RadioButton"
4 / "First Package" / "Item4" / null / "CheckBox"
5 / "First Package" / "Item5" / null / "CheckBox"
6 / "First Package" / "Item6" / "Second Group" / "RadioButton"
7 / "First Package" / "Item7" / "Second Group" / "RadioButton"
8 / "First Package" / "Item8" / "Second Group" / "RadioButton"
Given this result set, I need to render the view as follows:
A RadioButton group with 3 options (Item1, Item2, Item3)
A CheckBox (Item4)
A CheckBox (Item5)
A RadioButton group with 3 options (Item6, Item7, Item8)
I have read that it is possible to use "if" conditions and looping structures inside the View. I have also read that this is a bad practice. Another issue I see is knowing which Item has been selected from each RadioButton group when I hit the Controller POST function. Previously I have built a page that has a single RadioButton group. My ViewModel was as follows:
[Code].........................
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Jun 14, 2010
I needed to redesign the input page. I have in place individual checkboxes to represent fferent selections. For the database, the result for these checkboxes are in a seperate table. The insert only works for the first table which are textboxes. The information is not getting stored for the checkboxes. I have it separately eventually the checkboxes will be used for a search feature. For example, the information of the company, phone, address are getting inserted into the database but the checkboxes refering to the business is not being stored. What am I doing wrong with my code? Am I missing "true" for the checkboxes? The following is my code:
[Code]....
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Apr 8, 2010
I am developing a Jobsite website. There are two options for resume posting on website
1. A resume format in which jobseeker can insert values in all the fileds which are normally exists in a resume.
2. Jobseeker can upload the resume.
in first point Jobseeker has to fill form through controls, everything is fine but the problem is with one field named "Language Proficiency". How do I set Language Poficiency field in database and how do I get values from checkboxlist. Is there only one checkboxlist or three.
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Feb 1, 2010
I need a sample how I can check checkboxes in repeater using SQL statement. The checkboxes within repeater are populated fine and are named with ObjectName value from database but I just need to checked those values that are returned by a select statement:
private void CheckUserLocations()
{
// user reference that is currently viewed [code]....
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