VS 2008 Dynamically Added Gridview Row Not Being Detected
Jul 27, 2011
I'm adding a row to my gridview like this in the RowDataBound event
Code:
If (Not isDisbursementRowAdded) Then
Dim row As GridViewRow
Dim cell As TableCell
row = New GridViewRow(e.Row.RowIndex + 1, e.Row.RowIndex + 1, DataControlRowType.DataRow, DataControlRowState.Normal)
[code]...
I've looked at the tables tr and td elements and they all have opening and closing tags.
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Similar Messages:
Jan 3, 2010
I have a nested gridview dynamically added. It seems I resolved all issues with the loading this control on a parent page along with other controls and I can trigger the edit of the first level - the master part of the gridview. However, I cannot trigger the edit on a child gridview.
OnRowEditing="grdChildGridEdit_RowEditing"
The master and the child gridviews have objectdatasources in a markup but I have to do the additional data binding after the loading the control on the parent page (see the code below). I'm doing that additional data binding only for the master gridview that is working fine and shows the data for the master and the child gridviews. When I click the Edit button on the master gridview it shows text boxes for the editing but when I click the Edit button on the child gridview it's doing nothing and moreover the editing mode for the master gridview is going back to the initial stage (labels).
I was trying to trigger it throughuse the registering the event:
[code]....
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May 18, 2010
I'm dynamically adding a DropDownList to the GridView in edit mode and I have set the TextBox Visibility to False. In edit mode I can see the DropDownList and I'm able to select an Item from the DropDownList but not able to access the SelectedValue in RowUpdating Event. How to get the selectedvalue of this DropDownList?
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
If e.Row.RowType = DataControlRowType.DataRow And (e.Row.RowState And DataControlRowState.Edit) > 0 Then
Dim ddl as DropDownList
FillStateList(ddl)
e.Row.Cells(4).Controls.Add(ddl)
ddl is the DropDownList that is added dynamically. And the default Textbox that is in the Edit mode is set to invisible. So there are actually two controls in the same cell in edit mode(TextBox is invisible).
DirectCast(Gridview1.Rows(e.RowIndex).FindControl("ddl"),DropDownList).SelectedValue
If I use the above statement I'm getting NullException.This is Probably because its a BoundField. Is there a way I can access the DropDownList 'ddl' SelectedValue?
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Oct 9, 2012
* i binded dropdown value from database in gridview
* then display the value in next column based on selecting dropdown value
* when i click add new row button . could not bind the dropdown value.
below are my code
<asp:UpdatePanel ID="UpdatePanel2" runat="server">
<contenttemplate> <asp:Label ID="Label1" runat="server" Text="2"></asp:Label>
<asp:gridview ID="Gridview1" runat="server" ShowFooter="true" AutoGenerateColumns="false">
<Columns>
<asp:BoundField DataField="RowNumber" HeaderText="Row Number" />
[code]....
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Mar 28, 2010
I have a gridview that on it's RowDataBound event I dynamically add Image Controls to some columns.
The problem is that I lose these images on the next PostBack.
OBS: The GridView's EnableViewState propertie is already set to true
I know about the page lifecycle, but how can I persist these images if I have to add them on the RowDataBound event?
In addittion, if I add a static TemplateColumn with an Image Control and I set it's ImageUrl propertie inside the RowDataBound event it will obviously persist between postbacks. The problem is that I don't know how many columns with images I'll have, it's defined on the datasource.
[Code]....
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Jul 13, 2010
I have seen code for adding columns at runtime but here is another scenario for you. I am using a SQLDatasource control for my gridview. And the data returned can have different columns based on the filter meaning one time I may have a column A1, A2, A3 and another time I may have A2, A3, A4. Is there any way I can look at the columns when it is binded at the beginning and add the columns first?
I really need to use the SQLDatasource though because I am connecting to an AS400 and it is using a connection already made in the webconfig and do not know any other way. I do if it was MSSQL server but not this.
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Jul 27, 2011
I have a situation where I needed to add a row to my gridview. So say I have rows 3, 4 and 5.
My Datakeys are defined as "ID, CostingID". I did that so I can reference the two ID values I need when saving records.
here is the code in my RowDataBound event.
Basically if it is a datarow, I'm adding the value dataitems so I can get a sub total in the footer row.
Then, I have a boolean field called isDisbursement. So I sort my data by that field. So all records with the disbursement flag as true will display first.
Then as soon as the disbursement flag hits false I add a row to display the Total of the disbursement records value field.
All this works. My problem is, because I added a row at index 4 it inherits the datakey of the row that was at index 4 before. So when I'm looping through the grid rows to save the values I'm having a problem. I've attached an image so you will understand better what I'm trying to achieve. The "Total Disbursements" is the row I added. But it gets the following rows datakey because it is now at index 4.
when I do this, as soon as I reach row 4, although it doesn't have a CostingID it gets the CostingID of row 5 that used to be row 4:
Code:
Dim CostingID As Long = Convert.ToInt64(Me.grvCostings.DataKeys(row.RowIndex).Values("CostingID").ToString)
Dim strValue As String = CType(row.FindControl("txtValue"), TextBox).Text
Code:
If e.Row.RowType = DataControlRowType.DataRow Then
If Not IsDBNull(DataBinder.Eval(e.Row.DataItem, "value")) Then
_SubTotal += Convert.ToDecimal(DataBinder.Eval(e.Row.DataItem, _
"value"))
End If
[Code] ....
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Jan 11, 2011
I am creating a survey page that has a list of questions and answers that can be radiobuttonlists, checkboxlists or textboxes. These controls are added dynamically to a Repeater in its ItemDataBound event using Controls.Add.
I've managed to render the page ok but when I submit the form and iterate over the controls in the repeater to get the selectedvalues of the radiobuttons and textbox values, FindControl returns null. What do I need to do to get get the selected values? I've tried iterating over the RepeaterItems but that returned null too. I've tried different types of FindControl but it never resolves the control types.
It works if I add a declarative DataBinder in the Repeater like this
<asp:Repeater ID="rptSurvey" runat="server" Visible="true" EnableViewState="true" >
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem, "Question") %>
</ItemTemplate>
</asp:Repeater>
However, I want want to dynamically add the controls but in doing this i cant get the selectedvalues when submitting. This is tha main structure of my code...
[code]....
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Jan 29, 2010
i have one html table "table "and added controls it at run time as :
HtmlTableRow tabelrow = new HtmlTableRow();
HtmlTableCell tablecell = new HtmlTableCell();
Label lbl = new Label();
tablecell.Controls.Add(lbl);
then i want to get each controls by using foreach
such as (foreach control c in table.controls) or (foreach control c in tablecell.controls)but its not working.
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Jun 28, 2010
how to access values of dynamically added asp.net controls?
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Jul 12, 2010
I have to dynamically create controls and add them to a table. In a button click I need to find the value entered for that control. The control ids are also dynamic. Below is the code I tried.
[code]....
the problem is that i m getting the rowcount=0 of the table tblUdf inside which i added the table rows and controls inside the table cells.
how to get the control values of the dynamically added controls.
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Feb 7, 2011
I am just trying to add some dynamic controls to the SimpleQueryControl (which of course is a kind of Web Control and inherits all the methods accordingly). I dont know how to get the values of Child controls which I have added dynamically.
class RoomPickerQueryControl : SimpleQueryControl
{
protected override void OnLoad(EventArgs e)
{
if (!Page.IsPostBack)
{
EnsureChildControls();
mColumnList.Visible = false;
}
}
protected override void OnInit(EventArgs e).............................
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Aug 11, 2010
I'm adding alot of buttons at runtime to my form. When i push these buttons i want a confirm window to pop up and ask if i'm sure to delete this item.How would i go by doing this.Every button is added dynamically so i expect that the confirmbuttonextender should also be added that way.Do i have to add a extender for each button or should i make one in the aspx file then change the targetID at runtime ?
UPDATE
Panel div = new Panel();
div.CssClass = "BulletDiv";
content.Controls.Add(div); [code]....
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Jan 30, 2013
I added code to show an image in my button. But it is no longer rounded or at least XP style when I add the image like normal buttons I add. Here is the code I use.
Code:
<asp:Button ID="btnReports" Runat="server"
style="background-image: url('report16.png'); cursor: hand; background-repeat: no-repeat; background-position: left; padding-left: 6px; "
Text="Reports" Width="90px" />
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Dec 24, 2010
On adding items in it ,shows an error: "Dropdownlist does not allow multiple selection."But when i tries to print the selected item it shows null exception.
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Jul 7, 2010
I'm adding a dynamically built set of checkboxes to an asp.net page from the code behind with something like this in a recursive fashion:
pnlPageAccessList.Controls.Add(myCheckboxControl);
The controls show up fine on the page, but they don't show up when I view source, nor can I access them from the code behind.If I add the controls in the on_init method, they work. But I have some business rules driving changes to the list of controls itself that require I fire the add method elsewhere. Has anyone seen this before? I'm away from work so I can't copy the exact code.
I have two terrible ideas for how to get it working. One involves some jQuery and a set of hidden controls holding a big array of integers; the other is run the method on_init AND on my other events so the controls at least show up. Both smell like ugly hacks.
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May 3, 2010
i want load a usercontrol dynamically and pass a string to it ho do i do it..
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Sep 16, 2010
I am having trouble getting the input values of dynamically created controls in a ListView.
Here is my ListView:
[code]....
The textbox is found, but there is no value. It's like I just wrote over the textboxes with new ones in the previous block. If I remove the previous block of code no textboxes are ever found.
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Feb 8, 2010
I dymamically add checkBoxList to the page. How can I get checked items from it without adding it again?
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Jun 5, 2010
Can a placeholder control be created dynamically such that you can add controls to it later on?
PlaceHolder ph_grid = new PlaceHolder();
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Mar 29, 2011
How can I add the dynamically added control to validation?
[Code]...
the client-side validations kicks-in. Is there a way to explicitly include the deferredly-created inputs to validations?
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Mar 5, 2011
I would like to write the following within a div (myGallerySet) from behind code (vb.net) on pageLoad:
<div id="gallery1" class="galleryElement"> <h2>Brugges 2006</h2> <div class="imageElement"> <h3>Item 1 Title</h3> <p>Item 1 Description</p> <a href="#" title="open image" class="open"></a> <img src="images/brugges2006/1.jpg" class="full" /> <img src="images/brugges2006/1-mini.jpg" class="thumbnail" /> </div> <div class="imageElement"> <h3>Item 2 Title</h3> <p>Item 2 Description</p>
<a href="#" title="open image" class="open"></a> <img src="images/brugges2006/2.jpg" class="full" /> <img src="images/brugges2006/2-mini.jpg" class="thumbnail" /> </div> </div> <div id="gallery2" class="galleryElement"> <h2>Stock Photos</h2> <div class="imageElement">
<h3>Item 1 Title</h3> <p>Item 1 Description</p> <a href="#" title="open image" class="open"></a> <img src="images/stock/77196_6784.jpg" class="full" alt="Item 1 Title"> <img src="images/stock/77196_6784_002.jpg" class="thumbnail" alt="thumbnail of Item 1 Title">
</div> <div class="imageElement"> <h3>Item 2 Title</h3> <p>Item 2 Description</p> <a href="#" title="open image" class="open"></a> <img src="images/stock/165392_5486.jpg" class="full" alt="Item 2 Title"> <img src="images/stock/165392_5486_002.jpg" class="thumbnail"
alt="thumbnail of Item 2 Title"> </div> </div>
Basically I have images details which are stored in a database and would need to dynamically added hence, why i need to write within a div container. Any ideas how I could achieve this?
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Feb 9, 2011
I've been struggling with this for several hours now so I thought I'd give this forum a try. The problem is that I'm adding two kind of buttons (editBtn and delBtn) which show up fine but they won't fire their respective method when clicked. I also have a third button which works just fine.
[Code]....
[Code]....
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May 15, 2010
How to get a postback on a button added dynamically
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Dec 24, 2010
using System;
using System.Collections;
using System.Configuration;
[code]...
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