Web Forms :: Dynamic TextBox Validation Not Working On DataGrid On PlaceHolder

Oct 22, 2010

I have a placeholder to which I programmatically add DataGrids... In the DataGrids, I programmatically add TextBoxes along with dynamic validations. Somehow, the DataGrids show up, but the dynamic validations don't work. If I set them to static, the blank space for them appears, but still, they wont work.

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I have a code which generated dynamic gridviews based on a column ('c_AnalyticalSystemID"). Now I have a samll problem in passing cell parameter into a textbox which I clicked on a datagridview.

the code is :

[Code]....

Is it correct what I'm doing to get the value of cell into a textbox when clicked on a paticular datagridview.

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the page can be seen here [URL]

the client side validation is working for the adding date and time, but there is no validation firing for the count and room fields, I think i have coded them all the same, see sample for time and room below, maybe somebody see's something i missed? the validation group fires when the add button is clicked. also if possible I would like to get validation messages to appear in a validationsummary control that I already have coded and that is working when using the edit/update the rows presented with existing data.

[code]....

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Here is my markup:

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Web Forms :: Find Dynamic Control In A Placeholder?

Dec 10, 2010

I am creating dynamic controls... i.e. ddl

DropDownList ddl = new DropDownList();
ddl.DataSource = data;
ddl.ID = id;
ddl.DataValueField = "Key";
ddl.DataTextField = "Value";
ddl.DataBind();
PlaceHolder1.Controls.Add(ddl);

Loading the controls to the placeholder.

Selecting a value and clicking the button, doing postback, I want to capture the value selected in the ddl. I was using "FindControl method" but it is not working, I guess because the controls are created dynamically and will not show due to stateless HTTP.

How else can I capture the values? Is there away?

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Web Forms :: Finding Dynamic Controls I Add In A PlaceHolder

Jun 27, 2010

My code was actually working before. I think since I switched to .NET 4, it may have stopped functioning.What I do is this: I add some TextBox controls inside a PlaceHolder control. Then when user clicks the submit button, I am reading values entered into these texboxes.

This is what's on the page:

[Code]....
This is how I add controls into my PlaceHolder:

[Code]....

And this is the button click event: [Code]....

Like I said, this code was working before but now it doesn't.

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Jul 8, 2010

This works fine without using a masterpage. What is the masterpage messing up here. Basically creating all dynamic controls. Linkbutton>tablecell>tablerow>table>panel>placeholder. The linkbutton id is not being set when building. The link button id is registered fine when not using the masterpage. Also using ajax.

masterpage.aspx

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I have basically something like this:

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Web Forms :: Placeholder Dynamic Controls - FindControl Doesn't Work

Jun 23, 2010

using VS 2005,Ajax and master pages This is how i'm adding controls to placeholder

[Code]....

here is code to read value but it returns null

TextBox text = PlaceHold1.FindControl("TxtSlotName0") as TextBox;

aspx page follows

<%@ Page Language="C#" MasterPageFile="~/Admin.master" AutoEventWireup="true" CodeFile="SlotAlloc.aspx.cs" Inherits="SlotAlloc" Title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label><br />
<table align="center" width="50%">
<tr>
<td align="center" colspan="2">
<asp:Label ID="LblErr" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td align="right" width="50%">
<asp:Label ID="LblType" runat="server" Text="Type"></asp:Label></td>
<td style="width: 811px">
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</tr>
<tr>
<td align="right">
<asp:Label ID="LblLogin" runat="server" Text="Login"></asp:Label>
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<asp:DropDownList ID="DropinHours" runat="server">
<asp:ListItem>1</asp:ListItem>
<asp:ListItem>2</asp:ListItem>
<asp:ListItem>3</asp:ListItem>
<asp:ListItem>4</asp:ListItem>
<asp:ListItem>5</asp:ListItem>
<asp:ListItem>6</asp:ListItem>
<asp:ListItem>7</asp:ListItem>
<asp:ListItem>8</asp:ListItem>
<asp:ListItem>9</asp:ListItem>
<asp:ListItem>10</asp:ListItem>
<asp:ListItem>11</asp:ListItem>
<asp:ListItem>12</asp:ListItem>
<asp:ListItem>13</asp:ListItem>
<asp:ListItem>14</asp:ListItem>
<asp:ListItem>15</asp:ListItem>
<asp:ListItem>16</asp:ListItem>
<asp:ListItem>17</asp:ListItem>
<asp:ListItem>18</asp:ListItem>
<asp:ListItem>19</asp:ListItem>
<asp:ListItem>20</asp:ListItem>
<asp:ListItem>21</asp:ListItem>
<asp:ListItem>22</asp:ListItem>
<asp:ListItem>23</asp:ListItem>
<asp:ListItem>24</asp:ListItem>
</asp:DropDownList>
<asp:DropDownList ID="DropInMinutes" runat="server">
<asp:ListItem>01</asp:ListItem>
<asp:ListItem>02</asp:ListItem>
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<asp:ListItem>12</asp:ListItem>
<asp:ListItem>13</asp:ListItem>
<asp:ListItem>14</asp:ListItem>
<asp:ListItem>15</asp:ListItem>
<asp:ListItem>16</asp:ListItem>
<asp:ListItem>17</asp:ListItem>
<asp:ListItem>18</asp:ListItem>
<asp:ListItem>19</asp:ListItem>
<asp:ListItem>20</asp:ListItem>
<asp:ListItem>21</asp:ListItem>
<asp:ListItem>22</asp:ListItem>
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<asp:ListItem>24</asp:ListItem>
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<asp:ListItem>54</asp:ListItem>
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[Code]....

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I have a dropdown on page, a place holder and a save button on my form.Now, I am creating a textbox on selectedIndexChanged event of dropdown list and adding it to placeholder. And on button click I want to access the control, but on click event, I find the textbox as null. Here is my code

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[Code]....

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I have written a javascript code for handling the password functionality. The scenario is: when user wants to change the old password, he cannot fill the same old password again. I have written the code. But even the simple alert of blank textbox is not working. See the code for reference:

Javascript code:- 

<script type="text/javascript">
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function rtrim(str) {

[Code] .....

aspx code:-

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[Code] ...

Why this is not working...

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I have a loop which creates for each item ID a Dynamic created checkboxlist control

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[Code]....

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[Code]....

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I am using list view to display the the data but i am getting an error like An item placeholder must be specified on ListView 'ListView1'. Specify an item placeholder by setting a control's ID property to "itemPlaceholder". The item placeholder control must also specify runat="server.Even i have specified the itemplaceholder id but no use still same error.

[Code]....

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[Code]....

I want to copy a placeholder to another placeholder, i know, i can't write somethin like this,

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how can i do that?

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Maintain ViewState Of PlaceHolder / When Page Get Refresh All Controls From Placeholder Gets Removed From It?

Jan 19, 2010

how to maintain state of placeholder. i have a placeholder in which i add many image controls dynamically but when my page get refresh all controls from placeholder gets removed from it. the enableViewstate of placeholder is set to true.

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Forms Data Controls :: Dynamic Div Creation - Use Accordion Inside Datagrid

Sep 8, 2010

I'm trying to build a website for real estate listing. now the data would look like a datagrid. and while clicking on it, it should open under the clicked row the dynamic data related to the specific row. (like an AJAX accordion). this website for example ( ignore the language, couldnt find any better example [URL] Now, i've been told that this works by using "Dynamic Div Creation" which i have no idea how it should work this way. Is it possible to make it work by using an Accordion inside a datagrid? or what?

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Web Forms :: How To Perform Validation For A Textbox Based On Other Textbox

Jan 28, 2011

I'm using 3 text boxes for allowing user selecting different ranges. I want to perform below validations on three text boxes.

1.User should enter a value (i.e. a valid number,doesn't allow to enter zero,decimal numbers and negative numbers) in 1st text box.

2. 2nd text box value should be greater than 1st text box.

3. 3rd text box value should be greater than 2nd text box.

I want to perform validations on client side only using JavaScript. If anything goes wrong I want to populate a message box.

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SQL Reporting :: Display A Letter 'B' As Superscript In A Textbox Placeholder In SSRS 2008?

Mar 22, 2011

I want to display a letter 'B' as superscript in a textbox placeholder in SSRS 2008.

Example: IB

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Jquery Validation Not Working Throwing Error $.validation Is Undefinedj?

Nov 30, 2010

jQuery validation is working fine on my machine, when i pushed it to test server it won't it's throwing some errors which is kind of surprising.These are the errors I am getting: $.validator is null or not an object...I've never gotten this error before and it throwing an error when I declared a variable like var isValid.I don't know what to do. I am doing the custom validation methods not in the document.ready(). Does this cause this error? I wonder because all jquery validations are passing and hitting the server side validations.

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