Web Forms :: Hiding Controls On Page_Load?
Dec 1, 2010
I have a page with four panels. On page load all the panels are visible. there are radio buttons YES and NO. i have written java script such that if YES is clicked, certain panels are displayed and if NO is clicked, other panels are displayed.Now my problem is, on page load i dont want all the panels to be visible. If i use <control>.visible = flase on page load for those panels, java script is throwing error "Object Missing" when those radio buttons are clicked.
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Similar Messages:
Oct 28, 2010
Somehow I need to hide a control on an EXISTING WEB PAGE.But the problem is, this control has code behind with VB.NET which I don't know how to read.. :( (I use C#)And this web page works as like an 'organic'. Controls are connected to all over other pages .This is the part to be not shown:
[Code]....
That uc4 prefix is defined at the top of the page:
[Code]....
Some how I need to not show LoginControl1.Here is what I tried, first I tried to disable it using:
[Code]....
I added Visible="false", BUT IT STILL SHOWS :( guessing visible="false" is ignored :(
Next I tried to delete that control from aspx page and commented out the codebehind function.THIS WORKED, but gave an error at the bottom of the page (yellow triangle error)...This is really hard for me because I am modifying a page which I did not write, nor the code is C# .
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Jan 15, 2010
I was wondering if there is a way to hide the ItemTemplate. I am using listview and would like to hide the itemtemplate when i am inserting a new record. Im not sure how to or if it is possible to do.
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Sep 23, 2010
I am having some trouble hiding a column in my GridView. For some reason when I do the following:
[Code]....
It hides the column correctly but also leaves an empty gray column at the end of my grid which is about 5px. Ideally I don't want to remove the column but hide it, but if I do remove it is it possible to remove the binded that column represents?
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Sep 21, 2010
I need my gridview to display no records when the user first lands on the page. Right now it's showing all records by default based on a query I've defined in a Table Adapter in my dataset.
I have 2 web controls that the user employs to filter data (or view all records). They are working fine--I just need to have the gridview show nothing by default.
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Jul 19, 2010
<asp:TemplateField>
<ItemTemplate>
<asp:HiddenField ID="HiddenFieldTime" runat="server" Value='<%# Bind("Time") %>' Visible="False" />
</ItemTemplate>
</asp:TemplateField>
When I load the page, it shows up as a blank cell. Is there anyway to hide it completely as it looks out place?
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Jun 24, 2010
I had a datagrid and I was hiding columns. This was working fine to show just the columns I wanted.
[Code]....
And then I realised I wasn't paging the data so I ticked that on then above code no longer worked. The Count was equalling 1 with the paging ticked on. Why would that be?
I also used the classic formatting and when I sort the columns the classic formatting goes funny, how can reapply the sorting to make it look classic?
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Sep 28, 2010
I have a footer with 3 textboxes and 2 button.one of two button is hide button, which when gets clicked, suppose to hide footer along with their controls, its has the following code:
if(e.CommandName.Equals("Hide"))
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Apr 7, 2010
In a project of mine I dynamically create controls and add them to the nodes of a radtreeview (a control by telerik) in theLoadViewState event. By the end of this event everything seems fine, but as soon as the
Page_Load event fires the controls have disappeared. No code of mine is executed during this phase.
I'd love to know why this is the case,
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Aug 10, 2010
My gridiview is mostly templated fields.
I have searched far and wide and discovered that if you hide gridview colums in the Gridview's databound event, as per the code below,then the objectdatasource binds multiple times according to the number of columns you are hiding. This is definitely the case.
[Code]....
[Code]....
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Jan 14, 2010
I have an image button on my gridview in one column, and in the next column, I have a nested gridview. What I am looking to do, is to use my image button as a way to show and hide my nested gridview. I do not want to use JavaScript, because my page already uses a great deal of JavaScript. Therefore, I want to use code behind on the button, this is what I have done so far:
ImageButton b = (Button)sender;
GridViewRow row = (GridViewRow)b.NamingContainer;
if (row != null) {
int rowIndex = row.RowIndex;
How do I use my selected row index to call the nested gridview to be visible and not visible?
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Feb 11, 2010
I was wondering how to hide a control(lblPrice) in a gridview(Gridview1)'s templatefield, given certain conditions? Like:
If X condition then
-- code to hide lblPrice --
End If
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Nov 23, 2010
Here's the background: I have a GridView with suggested meetings. A logged in member can view the suggested meetings and click button "Show" to view all suggested occasions for every meeting. What I want to do now is to hide button "Show" for a logged in member if she/he owns the meeting (i.e. is the one who suggested it = Session["memberID"]).
My problem is this: All buttons "Show" are visible. I want to hide button "Show" in those cases where Session["memberID"] is identical to dr[0]. 'ID' in the SQL statement is the ID of the meeting in the database and meetingID are the ID's of the meetings shown in the GridView.
Here's the code:
[Code]....
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Dec 30, 2010
I would like to ask a question about hiding a drop down in my gridview. I have a gridview and I have a drop down list to control the page size of that gridview. when there is data in that gridview, it is fine for user to see the drop down list. But when there are records in the gridview, I do not want the user to see this drop down list. How can I hide it when there is no data?
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Mar 21, 2010
im my search.aspx page
i have added a DataPager with custom handling, it works fine except i can figure out
how to hide to next and previous links in case there is no need for them for example if the search reslut is just one there no need to show them
[Code]....
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Sep 12, 2010
I have a formview and I want to fill it at page_load. The formview must show the data of the person that has logged in.So the question is how can I fill the formview so that is shows the data of the right person (UserId = @Param2) so that the formview is in editmode?
[Code]....
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Jan 8, 2010
I have a GridView that binding on Page_Load, and that is not the intent. Ideally, the GridView only loads on PostBack.
[Code]....
[Code]....
The bindClientDropDownList, by the way, does not call SearchResultsGridView.DataBind() on its own, so that can be ruled out.
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Apr 16, 2010
I have a web page with a nested grid. I bind the nested grid via the outer Gridviews RowDatabound. The problem I'm having is when a user click on a CommandField in the nested child grid the Page_Load event is fireing twice and reloading the grids, making it appear that the nest grid collapsed. I have tried using "If Not Page.IsPostBack" but because the page posts back twice the IsPostBack is false until the second time the Page_Load event fires.
Here is my Page_Load routine
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim test As Boolean = ScriptManager.GetCurrent(Me.Page).IsInAsyncPostBack
If Not Me.Page.IsPostBack Then
If Not ScriptManager.GetCurrent(Me.Page).IsInAsyncPostBack Then
[Code].....
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Mar 3, 2010
I have a gridview control which gets data from database. One of the column is a checkbox and based on the value of the checkbox, I need to display 2 more columns. Currently I am having 2 issues:
1. I am able to achieve this when OnDataBound event gets triggered. Basically I am checking the row state and type and if it is in Normal mode I check the status of the checkbox and based on the status I am setting the style on the columns I want to hide (columns contain checkboxes). But for some reason, I am not able to hide the header. The GridView shows the header but the text boxes which are in the columns are hidden.
2. During Edit mode, I have attached a javascript to the checkbox and when the status of the checkbox changes, it hide/unhides the columns, again header cannot be made hidden. Also, if I use the Visible property of the header, I can make the header invisibly (only using the code behind) but when javascript is invoked on the checkbox during edit mode, it cannot find the controls as they are not visible and hence does not do anything. Since TemplateField does not support style property I can't even set the style["display"].
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Oct 25, 2010
using vb.net/asp.net 2005
I have a gridview with columns (pseudo-code):
<COLUMNS>
AuthorFirstname
AuthorLastName
BookTitle
YearPublished
</COLUMNS>
what I would like to do is to only show the AuthorFirstName and AuthorLastName columns for the first row of each author. I am easily doing this with:
[Code]....
However the issue that I'm seeing now is the formatting what happens is that after the first row that the Author names are hidden but then the BookTitle and YearPublished become the new cell(0) and cell(1) respectively which means that book and year are displaying underneath the author names columns. so my goal is to do 2 things:
1 have BookTitle and YearPublished render under the correct headers and
2. For the second row and after I would like the cell to appear the same as the background, I dont want the user to be seeing what looks like an empty cell or textbox there.
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Jan 4, 2011
I dont want them to be able to select a listitem until they click edit .
here is a picture of what it looks like now.
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Jul 27, 2010
I have been trying to hide a column but make use of the value in another function but the function i am trying to hide it give me and error at the embolded line. System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Public Sub FetchDetails()
Dim valtable As DataTable = New DataTable()
valtable.Columns.Add("LINK")
valtable.Columns.Add("WATCH PERIOD")
valtable.Columns.Add("DAY ENTRY")
valtable.Columns.Add("listid")
Dim seltext As String = "SELECT [Watchlistname], [Watchlisturl], [Watchlistdate],[listid] FROM [Watchlist]"
Dim madap As SqlDataAdapter = New SqlDataAdapter(seltext, Connection())
Dim mdset As DataSet = New DataSet()
Dim i As Integer = 0, pager As Integer = 0
madap.Fill(mdset, "WATCHLIST")
Session("tab") = mdset.Tables("WATCHLIST")
For Each arow As DataRow In Session("tab").Rows
Dim valrow As DataRow = valtable.NewRow()
valrow("LINK") = arow("Watchlisturl")
valrow("WATCH PERIOD") = arow("Watchlistname")
valrow("DAY ENTRY") = arow("Watchlistdate")
valrow("listid") = arow("listid")
valtable.Rows.Add(valrow)
Next
'Dim str As String = ChrW(8358)
gridWatchlist.DataSource = valtable
gridWatchlist.DataBind()
gridWatchlist.HeaderRow.Cells(1).Visible = False
gridWatchlist.HeaderRow.Cells(2).Text = "WATCH PERIOD"
gridWatchlist.HeaderRow.Cells(3).Text = "DAY ENTRY"
gridWatchlist.Columns(4).Visible = False
End Sub
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Apr 28, 2010
Working on a site where a user does a search, it takes the input from the user and then runs an SQL command to return the data in a gridview for the user to see. I also have a button where the user can see all the results from the DB (this will be taken out later but for now the DB is pretty small) This is all working fine, but the problem I am having is that when you look at the page source the gridview populates everything in tables on the page. This makes it really easy to just copy and paste and get everything from my database. How can I go about displaying the information to the user in a gridview, but hiding the table information in the html page source?
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Jan 14, 2010
I have a dataGrid with ButtonColumns in my asp page and I would like to do the following to:
When a row is clicked, I want to be able to:
1 - Hide all rows and display only the clicked row dynamically/on the fly.
trying to loop thru the datagrid and display only the Row index passed by the OnITemComman - but unsure of how to do it.
2 - Extract the row values (all cells in the row) to use as parameters in a query.
Used many ways of many examples but i always get a blank value. Managed to get the button text in the class but i need the full row values not just the cell clicked.
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Feb 5, 2010
I am using C# and VS 2008.
I have a nested Datagrid, Datagrid1 and Datagrid2 with access database, Where Date1 is PKey in Datagrid1 and corresponding to it entries are filled in Datagrid2 also.
It should be like:
1. Gridview2 Should not show any button/link like Edit.
2. Should hide the columns to insert new data, i.e No add button also and GridView2 add row should not be visible of Gridview2.
In all, Gridview2 should only show the data that is already inserted and user should not be able to make any changes in it and can only view it.
Here is my aspx code for Gridview2:
[Code]....
My code behind for Gridview2:
[Code]....
As you can see i have successfully hide Edit button of Gridview2 older then 3 days. Now i want to hide the Delete and all the columns to add new data in Gridview2 older then 3 days.
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