Forms Data Controls :: Handling Linkbutton Or Control In Nested Datagrids?
Mar 31, 2011
I have a Datagrid inside a Datagrid and I am trying to perform an action (open an pop-up window with related values in the querystring) when the inner datagrid control is clicked.In this simplified example I have 2 datagrids (datagrid1 and
datagrid2). In the second datagrid (datagrid2) I have a LinkButton (lbViewDetails) that I want to control what it does based on the value in the upper datagrid (datagrid1)'s lblRecordId value.
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Jun 25, 2010
I've got a .aspx page which loads a user control using the LoadControl(string virtualPath) method. The loaded control contains references to several other user controls (i will call "modules"). If such a module contains an unhandled coding error which isn't catched at compile time (e.g. division by zero), no helpful error is thrown. The .aspx page just gets an error from the LoadControl method that the control to load cannot be found (404), but in fact it contains a faulty module.
Is it possible to get the error of the module from within the .aspx page for better troubleshooting? Can I get information about, that (in this example) there is a division by zero error in module (nested user control) xy?
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May 7, 2015
I am requested by my manager to develop a web page called staff deployment plan that will involve two GridViews, that is the Parent GridView and Child GridView. The Parent GridView will display two columns which are EmployeeNames and WorkingDays - the working days column is a heading of Child GridView and the child gridview displays columns as current working days for example: the month of November 2014 has 20 working days excluding weekends and public holidays in South Africa, so the columns for child gridview are like this:
3 Nov, 4 Nov, 6 Nov...etc
The problem that am experiencing now:
Is to add LinkButton for each column on the Child GridView and to create command event for each linkbutton inside a child gridview (remember this child gridview is inside a parent gridview) and the link button when is click it should display a popup window.
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Feb 3, 2010
Using vb.net 2003,asp.net 1.1
I have a usercontrol on a page with 2 dynamic datagrids
on it with dynamic custom buttons, I get a questionID from
the buttons and that is ok.
What I need to know is which one of the grids gave me the questionID
so I can transfer to an approriate page.
For Instance:
If gridone was the sender/commandsource Then
Server.Transfer(pg1.aspx)
Else
Server.Transfer(pg2.aspx)
End If
Hope thats enough info,
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Jan 27, 2010
I currently have a data grid that exports to Excel on an ASP.NET page (which is used for reporting purposes) which works great until we put it under the stresses of a full scale production environment. With a multitude of users using it it seems to fill up the server memory quite quickly since the data thats being pulled is rather large. The requirements of the page are: The data needs to be queried and exported to excel, so theres no point to getting around that. I've noticed that xls files are rather large in comparison to their xlsx counter parts, using xlsx files would be fine for my application. I've noticed that xlsb (Excel binary) are even smaller(approx 25% the size of the their xls counterpart). Is there anyway to change my code to export to xlsb (first choice) or xlsx rather than xls? I think it has something to do with Mime Types but I'm not positive.
Here is the code that I'm using for exporting:
[Code]....
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Mar 5, 2010
I have started creating a DAL and have successfully bound my adaptor and the query within the adaptor to a gridview.
In lots of the intranet type apps I code in regular ASP for myself I often have a few columns with little icons in that do various things for that rows identity, such as drill down to more details, overlay a graph, text the person via an ajax call, send em an email via ajax and so on.
I think Ive got the hang of styling elements of each row depending on the data but Im completely at a loss as how to add a column which would have an icon whos url link properties would be dependant on the data.
EG
ROW1 | Name | Email Address | ICONFOR EMAIL(with a querystring id matching the row id) | ICON FOR MORE DETAILS (with a querystring id matching the row id)
I realise I am probably looking at this the wrong way but its difficult when you are almost on autopilot doing these things in classic ASP.
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Feb 11, 2010
how can we determine the exactly datagrids row and column that exists a button that has been pushed?
Protected
Sub ela(ByVal
sender As
Object,
ByVal e
As
System.Web.UI.WebControls.DataGridCommandEventArgs)
' Dim id As Integer = datagrid1.DataKeys(CInt(e.Item.ItemIndex))
Dim id
As
Integer = e.Item.Cells.GetCellIndex
Response.Write(ID)
End
Sub
but how exactly we determine the row and the column?
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Mar 21, 2011
1) I should have one table-like column, where data are taken from database. It should contain sorted surname-name.
2) Every surname-name is a link to another table-like control. Content of it depans on surname-name that was clicked. This table will contain relatives of particular person.
Say, I have a column with John Anderson, George Washington etc. I click John Andreson and another table load data (relatives of John Anderson) - Anegline Jolly, Peter Pan etc.Then I click George Washingto and another table load data (relative of George Washington) - Zera Zebra, Aflen Aleks etc. Every relative should have a checkbox nearby. So the second table-like control will look like:
Angeline | Jolly | <some other information from db> | <checkbox>
Peter | Pen | <some other information from db> | <checkbox>
etc.
3) I have a button "A-D", When it is clicked, then first table is populated only with surnames with first letter from A to D. I have a button "E-G". When it is clicked, then table is populated only with surnames starting with letters E to G. I have nevere used DataGrids and other db binding controls. Which of them should I use?
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Jun 4, 2010
I have a user control called ucTriStateButton. It raises an event when it is clicked, called TriStateButtonClicked. If I put this user control on a page, it works fine. Here is the declaration on the .aspx page:
[Code]....
When the button is clicked the method tsbTest_TriStateButtonClicked executes correctly.
The problem is when I put the user control in template field of a GridView.
[Code]....
There is no way to hook the event handler to the control in Page_Load because I cannot get a reference to tsbMorning. So I did it in the RowDataBound event handler of the GridView, where I also do a bunch of other row-specific stuff. Although this builds and runs, the event is never actually subscribed to and so never gets fired.
So the question is - how can I handle an event from many instances of the same user control within a GridView? I am calling the same bit of code regardless of which user control is actually clicked. I only need to know that one was clicked.
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Nov 9, 2010
I am trying to find my linkbutton control using RowDataBound using the below code
[Code]....
[Code]....
but it always comes back with null the lnkButton.
What is the issue here?
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Jun 13, 2010
the structure is like this:
Grivdivew
ItemTemplate
PlaceHolder
/ItemTemplate
/Gridview
And then I try to add some dynamic controls into the placehold control from code behind, I use the RowDataBound Event
Private Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
Dim ph As PlaceHolder = CType(e.Row.Cells(1).FindControl("PlaceHolder"), PlaceHolder)[code]....
The problem is the button CommandName is not functioning. And more strangely, if I add the button manually into the placeholder, like this:
Grivdivew
ItemTemplate
PlaceHolder[code]....
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Jul 3, 2010
I have created a gridview (this is a usercontrol) with another gridview (also a usercontrol) inside it. Now I would like to bind a checkboxlist to the inner gridview. This is my markup for the inner gridview user control
<asp:GridView AutoGenerateColumns="False" GridLines ="None" Width ="100%"
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Jun 8, 2010
What I'm trying to do is find a control within a nested repeater when the OnItemDataBound event is fired on the 'main' repeater.
[Code]....
This has driven me mental! And I've done stacks of web searches and ended up confusing myself even further.
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Sep 8, 2010
I have a presentation to the CFO in two hours. I can't get a nested repeater control to work right, something to do with teh placement of the <table> tags I think.The first repeater first section works fine, then the child repeater shows the first child section right, but the next section of the parent repeater loses all the formatting applied at the parent table. I've tried vaious permutations of where to place the closing table tag of the outer and the inner and get different results, but never the right results.
Here is my current code:
<tr
style="font-size:small">
<th
style="width:100px">[code]....
These are the results I get:
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Jun 4, 2010
I have a detailsview that contains a radio button list, and a couple of check boxes. I want to run some code when the radiobuttonlist selection is changed, or when the checkboxes are checked or unchecked. how I can do that even though the controls are nested inside another control?
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Feb 11, 2010
I have got DataList1 which contains DataList2And inside DataList2, I have placed control - CheckBox1How do i make CheckBox1 to be identified in CheckedChangedEvent
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Jun 17, 2010
Is there a better, cleaner way to do this in ASP.NET 2.0?
An ASP.NET 2.0 page displays a datalist of records. Each record can have many dates, so the dates are in a nested gridview (I chose a gridview over a datalist here because we want to be able to delete a date and this is easier done in a gridview). The parent record can never be deleted.
The display works fine: the nested gridview gets its datasource during the parent datalist's OnItemDataBound event.
The problem: the nested gridview's delete function. The date gets deleted without a problem (handled in the OnRowDeleting event), but somehow the redisplay is untying all the other nested gridviews from their datasources. The delete does not appear to cause a page postback, so I don't know how the other nested gridviews are losing their datasources.
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Jan 4, 2011
am using C# .net.. in my page am having nested repeater control.. in child repeater there is check box and a hidden ID. i want to store(here am get strucked) the ID of checked box in to my data base.. look at the below code..
HTML page....
[Code]....
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Sep 28, 2010
How can i create Dynamic Child Repeater Control inside of Parent Repeater (This one created Dynamically)
and
How to Create a Dynamic CheckBoxList control inside of a Child Repeater Control(if we able to create in Parent Repeater Control Successfully)
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Jan 4, 2011
i have a parent gridview,It has child gridview in every row.The edit and delete event of this child is working is fine.When i add data to through child gridview with empty data template.i can 't find the value of the parent contril id.
gvProductFeatures is the chid gridview...
protected void gvProductFeatures_RowCommand(object sender, GridViewCommandEventArgs e)
{
try
{
if (e.CommandName.Equals("EmptyAddNewFeature"))
{
GridView gv = (GridView)sender;
if (gv != null)
{
// here i need find the appropriate control id from parent..how??
int intIndex = Convert.ToInt32(e.CommandArgument);
Label lblEmptyGroupPK = (Label)gv.Controls[0].Controls[0].FindControl("lblEmptyGroupPK");
TextBox txtEmptyFeatures = (TextBox)gv.Controls[0].Controls[0].FindControl("txtEmptyFeatures");
}
}
}
catch(Expection ex)
{
}
}
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Jul 5, 2010
I have a list box in a list view control. I want to access the value of the listbox. I have fixed the height of the list box and the box has scroll bars. If i change the number using the scrollbar and then click on the number (turning it blue) everthing works fine. If I simply change the number using the scrollbar the system throws the error below. Can anyone tell me how to get this to work simply by using the scrollbar to select the number (without having to also click on the number itself) This is the error that is thrown
[FormatException: ??????????????????]
Microsoft.VisualBasic.CompilerServices.Conversions.ParseDouble(String Value, NumberFormatInfo NumberFormat)
+201
Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value) +66
[InvalidCastException: String "" ??? 'Integer' ??????????]
This is the aspx listbox
<td><asp:label id="Label1" runat="server" text='<%# eval("CustomerID") %>'></asp:label></td>
<td><asp:label id="label2" runat="server" text='<%# eval("ProductID") %>'></asp:label></td>
<td>
<asp:ListBox ID="ListBox1" runat="server" Height="30px">
<asp:ListItem Value="0">0</asp:ListItem>
<asp:ListItem Value="1">1</asp:ListItem>
<asp:ListItem Value="2">2</asp:ListItem>
<asp:ListItem Value="3">3</asp:ListItem>
</asp:ListBox>
</td>
<td>$<asp:label id="label4" runat="server" text='<%# eval("OrderDate") %>'></asp:label></td>
<td>
<asp:Button ID="Button1" runat="server" Text="order" CommandName="cart"
CommandArgument='<%# eval("CustomerID")%>'/></td>
This is the vb page
Partial Class Droplist
Inherits System.Web.UI.Page
Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
Dim db As New DataClassesDataContext
ListView1.DataSource = db.Droplist1
ListView1.DataBind()
End If
End Sub
Sub upload(ByVal sender As Object, ByVal e As ListViewCommandEventArgs)
If e.CommandName = "cart" Then
Dim q As ListBox = e.Item.FindControl("Listbox1")
Dim ProductNumber As Integer = CType(q.SelectedValue, Integer)
Label3.Text = ProductNumber
End If
End Sub
End Class
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Mar 28, 2011
I have a RadioButtonList control inside of a nested ListView control InsertTemplate. I need a way to access this control in the nestedListView_ItemInserting method.
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Nov 15, 2010
I have Datalist control in my application which contains one Gridview control as a child control in it. Now at the time of giving datasource to the child control, it gives object reference error.Note:I am binding the child grid at the time of ItemDataBound Event of Datalist controlMy code looks like :
Protected void Datalist1_ItemDataBound(object sender, DataListItemEventArgs e)
{
DataSet dsTest;
[code]...
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Jul 9, 2010
accessing a control inside the nested controls. Here is what i want to do. I click on the "add me" link inside the repeater and the ModalPopupExtende pops up with a textbox and the update linkbutton. I type something in the textbox and I click on the linkbutton update notes. My question is how do response.write the text i entered in the textbox?
[code]....
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Sep 24, 2010
In a dataset i m getting values like this
IdApplication ApplicationDesc Permissions
1 User Add
1 User Delete
1 User Update
2 Role Add
2 Role Delete
3 User2 Modify
3 User2 Change
How can i Bind like in nested repeater control
In my Nested repeater control bound i need to Bind the Values like this Formate According Groupwise
User Add Update
Role Add Delete
User2 Modify Change
In the nested repeater control i taken a label in Header Template i need to bind 3 different values Application Desc once User, Role, User2 and in Item Template i had binded the <%# Eval("Application Desc")%> but i am getting like this all permissions in 1 line
Add Update Add Delete Modify Change
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