Forms Data Controls :: Hiding Few Columns Including Header In A Gridview?
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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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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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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Aug 13, 2010
i have a gridview bound to sql datasource with template fields binding the columns. I have set the Header Style to a css class. I have 3 columns not bound to data as Add, Edit and Delete. When I set the text color to white for the header only the non bound columns go white. The bound columns are BLUE like hyperlink. Any one know a way round this. (If I set the style in the gridview the all columns are white. Want to set in external css file).
[Code]....
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Nov 16, 2010
How can I create below type of gridview with merge merged header columns? If anybody have example share with me.
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May 7, 2015
Is it possible to hava a Colums in grid like
Binding Grid as:
Date    Apple  Banana  Mango
26-Apr    5Qty   8Qty   7Qty
I want to add Common Header for Apple banana mango above it as FRUIT. is it possible and how
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Mar 26, 2014
I want to add the header dynamically during runtime in grid view. I am implementing an attendance application where I want to show the report as absent or present for the last few days for a subject. 1 means present and 0 means absent. How to bind these dates as header during runtime these dates i am getting from database.
Name 17-03-2014 18-03-2014 20-03-2014 21-03-2014 22-03-2014
Rohit 0 1 1 1 1
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Feb 29, 2012
I've added this to the code behind:
'Private Sub GridView1_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.DataBound
GridView1.Columns(2).Visible = False
GridView1.Columns(3).Visible = False
GridView1.Columns(4).Visible = False 'End Sub
When I select another button from the radiobuttonlist I want this to fire (onselectchange). It works but only the first column is visible. So how do I add the above code to pageload?
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Feb 29, 2012
Here's my radiobuttonlist:Â
<asp:RadioButtonList ID="Pending" runat="server" AutoPostBack="True" OnSelectedIndexChanged="Populategrid">
<asp:ListItem Value="250">Over 250</asp:ListItem>
<asp:ListItem Value="300">Over 300</asp:ListItem>
<asp:ListItem Value="350">Over 350</asp:ListItem>
<asp:ListItem Value="400">Over 400</asp:ListItem>
</asp:RadioButtonList>
I have a gridview set up to bring in all of the items listed in the radiobuttonlist. When the page loads the first time it comes in as showing Over 250 only:
Private Sub GridView1_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.DataBound
GridView1.Columns(2).Visible = False
GridView1.Columns(3).Visible = False
GridView1.Columns(4).Visible = False End Sub
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This is the code behind:
Protected Sub PopulateGrid(ByVal sender As Object, ByVal e As EventArgs)
'Select Case Pending.SelectedItem.Value ' Case "300"
Dim conn As New Data.SqlClient.SqlConnection(ConfigurationManager.ConnectionStrings("PendingClaimsConnectionString").ConnectionString)
Dim cmd As New Data.SqlClient.SqlCommand
[code]...
I'm getting an error under the If pending.selected value = "300" and .Parameters.AddWithValue etc...saying operator AND is not defined for types Boolean
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Private Sub GridView1_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.DataBound
GridView1.Columns(2).Visible = False
GridView1.Columns(3).Visible = False
GridView1.Columns(4).Visible = False End Sub0
Â
[code]....
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Oct 20, 2010
I have a repeater control having columns in it.When I bind the control to a data source then some of the columns become empty when there is no data associated with it.I want to hide the column if there is no data associated with it.I was trying to implement a solution given in this thread:
[URL]
However,I am not sure how to write the logic for hiding and showing the placeholder.I have written some code for the same but that clearly doesn't work.The following is the .aspx as well as the code behind which I am using:
[Code]....
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May 7, 2015
How to convert a gridview consists with sub columns to a pdf without changing the format of sub columns
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Jul 22, 2010
I am trying to set come columns to invisible after all of the rows are binded but I'm having trouble. I'm hiding columns that have empty data which I save in a session variable. This works fine. Then I tried changing the columns visible property using the ColumnByName routine in the DataBound but that must be the wrong event because I do not think the columns exist yet.
The columns are autogenerated btw.
Where can I set the columns properties after it has binded? Can i do this before the columns are autogenerated the the screen itself?
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Jan 4, 2010
how to display a header of gridvew as a 3D view color Header?
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Jan 21, 2010
Scenario:
I have a Gridview where I want to handle the Sorting in a custom control that I've added to the header.
I've added this control to my GridView's Header via OnRowCreate event handling. I want the Sort Expressions to persist session to session (via Webparts Personalization)
Here is what I have for adding the custom header control to the GridView Header
[Code]....
This works out well for adding the control, but I can't get anything to persist because these controls are creating initially via postback (per the event) and re-created on all subsequent postbacks. I can't add an If(!IsPostback) because the controls are initially created on the gridview's postback (well at least thats how it's acting when I put it in there) If I were to add this control via the ASP page, not via the Codebehind, I would be able to persist the control. If I try to treat it as though everything is setup correctly, and assign my custom control's controls to [Personalizable], I get a runtime error telling me that I can only have webpartzones in or before Page_init (I'm guessing this is due to when/where the
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Nov 28, 2010
is there anyway i can add in the gridview in header column name a button instead of label ?
column name 1 column name 2 column name 3 button
i am using checkbox column in item template for the button ,i wish after selecting checkbox for some row to click on the button on the header !!
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Feb 16, 2011
I am using the following code to change the header based on the session variable
[code]....
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Aug 27, 2010
i have a datalist .
i used an object datasource to show data in datalist .
and my datalist have two or more repeated columns .
how i can make header for top of each column ?
not for each item and not for each row .just for each column .?
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Mar 14, 2010
Executed a linq query, and now needs to bind it to the gridview. here is code that doesn't bind anything currently:
[Code]....
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Apr 21, 2010
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[code].....
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[Code]....
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Mar 18, 2010
in asp.net page user able to select gridview Columns, and it will hide remaining columns and that selection done by check box with column list bellow is Image link , what exactly I am looking for [URL] it look bellow after selection of column done [URL]
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Nov 8, 2010
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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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