Forms Data Controls :: In Page User Able To Select Gridview Columns And It Will Hide Remaining Columns

Mar 18, 2010

in 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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Hide Columns In GridView With Auto - Generated Columns?

Jan 19, 2010

GridView1.Columns.Count is always zero even SqlDataSource1.DataBind();

But Grid is ok I can do

for (int i = 0; i < GridView1.HeaderRow.Cells.Count;i++)

I rename request headers here but

GridView1.Columns[i].Visible = false;

I can't use it because of GridView1.Columns.Count is 0. So how can I hide them ?

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Forms Data Controls :: Hide Columns In Gridview When Empty?

Feb 16, 2010

I have a Gridview and I want to hide a column when empty. The code works then the column is in Boundfield but not in Templatefield. Can anyone show me the code of how to do it in Templatefield?

Here's my code using OnDataBound event:

protected void hideColumn(object sender, EventArgs e)

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Forms Data Controls :: Hide / Show Gridview Columns Using Javascript?

Jul 15, 2010

I have a webpage that lists information about trucks and their map sections and whether the combination is active and will be used.

On the page I put a check box that says Show Only Active and marked the checked property as true by default. When the RowDataBound event fires I check to see if that checkbox is marked as true and if it is I check if the individual map sections are marked as active. If they are not active then I set the row visibility equal to false like below.


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Forms Data Controls :: How To Show / Hide Columns Conditionally In Gridview

May 24, 2010

dv = new DataView(table);
Table.Columns.Add("ID", typeof(string));
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row = table.Rows.Add();
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Then I am adding boundfield to gridview for all 4 columns. Now I want to check if "Type" column contain "Sales" thne do not show "Manager" columns. Let me know can I do this?

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Forms Data Controls :: When Updating Gridview When Hide Columns Values Turn To Null?

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I am updating a gridview. Problem is that when I hide certain fields that I do not want the user to update, they lose their values ie. the data is wiped out in the field unless I show them on the grid and make them writeable. Is there a property I need to set for the field to retain the value when the grid is updated or is this in the sql statement?

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Sep 14, 2013

My grid view will display the data like below..

Id  Name Mark1 Mark2 Mark3

1     aaa      50     30      20
2    bbb      50     30      30
3     ccc      50     30      20

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Feb 15, 2011

I have a data gridview with two columns (Databound- HTML tags), very similar to the one of twitter,the second column populated as follows:


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I have an accessdatasource with multiple columns, one column I use it to populate a dropdownlist. Can I use the data from other columns to insert into a table, insert being done in the aspx.vb page, without creating gridview etc.

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Jun 17, 2012

i have done sending gridview data  as excel  to mail, it is working fine

then  i had 5 columns in gridview but i want to send 4 column instead of 5 column.

protected void Button1_Click(object sender, EventArgs e)
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Forms Data Controls :: How To Convert Gridview Rows To Columns And Columns To Rows

Mar 4, 2011

I'm binding a gridview from a webservice with 30 columns and 10 rows, I need to print the same in a PORTRAIT, for that i decided to display columns as rows and

rows as columns like below:

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Forms Data Controls :: Hide All FK Columns In All Tables?

Apr 1, 2011

I want to hide all FK Columns in all tables. I am using Asp.Net Dynamic Data 4.0.

I tried to use this code:


And then in List page template call:


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Forms Data Controls :: Allow User To Adjust Columns Width Of A Gridview At Runtime?

Mar 9, 2011

You know how when you put your cursor over the line that seperates 2 columns of a grid, the cursor turns into a 2 headed arrow and allows you to adjust the width of the column? How do you allow this with a gridview?

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Nov 10, 2010

I have a gridview containing 10 columns. Three of them are set to visible="false' by default. When I click on 'Export to excel' Button, I can hide those invisible columns.


There must be more efficient way than this. How can I find the invisible columns and store their information in array and then only do a loop once?

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Web Forms :: Cannot Hide Columns On GridView

Mar 25, 2011

I have a GridView that is successfully populated by an IList. IThere are about 2 dozen columns I only need 8. I am trying to call:

this.grdView.Columns[0].Visible = false;

But I get an index out of range error. And when I call, this.grdView.Columns.Count I get 0.

I have tried this on several events including: grdView_RowDataBound

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C# - GridView - Columns.Insert() Cause Data To Vanish On Postback But Columns.Add() Works OK?

Oct 13, 2010

I have a GridView that has several dynamic columns (I do not know how many at design time and it could be 0-12 columns, hence need for dynamic columns). I have the columns in the grid and data bound to them - works great. There are other standard, design-time TemplateField columns with TextBox controls in them. These are bound with values that the user can edit. The grid is posted back via a Submit button. My question is "Why does gv.Columns.Insert() cause all my TextBox data to be null on Postback, but gv.Columns.Add() works like a champ?"

protected void BuildColumns()
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int columnIndex = 5;
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foreach (MyEntity my in _myEntityCollection)
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Forms Data Controls :: How To Hide/show Columns Based On The Dropdownlist Value

Jul 16, 2010

I have an emergency request that I need to sort it out very quickly as I did not notice it early :(.

I have a dropdownlist, the contnet in the gridview (sqldatasource connection) changes based on the value the user slects, say I have play1, play2 from the dropdownlist, I would like to show column1, column2 and column3 with user selects play1; show column4, column5, and clomn6 when use selects play2; the datatable actually includes all 6 columns.

I understand that I need to use something like RowCreated event, and I need to set up condition based on the dropdownlist value, but I dont really know how to.

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Forms Data Controls :: Create An ASP Grid With Dynamic Columns With An Ability To Freeze Columns And Rows

Sep 20, 2010

I created a gridview that is made up of 4 gridviews and using a stored procedure to populate it. I create columns at runtime because the number of columns changes all the time.To make the grids editable I am adding template fields at runtime as I create the columns, this is to ensure that a user is able to edit the cells and some foot values update. Reason why I have four grids is to freeze rows and columns like in excel using javascript. The problem is that performance is very bad especially in IE, the grids take a long time to load. I am not sure if this is caused by the data load or the creation of text boxes. see some of the code below for my _aspx page:


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C# - Hide Repeater Columns Based On User Privileges?

Feb 9, 2011

how to hide a repeater column based on the user privileges.

Say I have:

<asp:Repeater ID="repeater" runat="server>
<table id="table_id">
<th>Secret Info</th>
<td><asp:Label ID="Label1" runat="server" Text='<%# Eval("Name") %>' /></td>
<td><asp:Label ID="Label1" runat="server" Text='<%# Eval("SecretInfo") %>' /></td>
<td><asp:Label ID="Label1" runat="server" Text='<%# Eval("Name") %>' /></td>
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How would I only display the 'Secret Info' column to logged on users?

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C# - Hide Columns By Id In Gridview?

Mar 17, 2011

I have the application where I am having the editable grid view with the edit,Delete,Add options. this grid having as usual Template fields . I want to hide some columns. I know i can do that by using columns index. but i don't want to follow it. instead I want to hide columns by Id. this is because if in my application further I need to add more columns then there is need to change the code gain and again in the core. so I am choosing this way. Bu as i found <asp:TemplateField /> does not contain Id attribute. so it is become impossible for me to hide <asp:TemplateField/> by Id.

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Forms Data Controls :: How To Hide Empty Columns In A Repeater - Write The Logic For Hiding And Showing The Placeholder

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:


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:


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Forms Data Controls :: Gridview Width / When Add Columns To Gridview The Width Shoots Out Of The Page And The Page Design Is Seems Ruined?

Feb 11, 2010

.I am new to there any way we can limi the width of the gridview in the design mode.

I have to put 15-20 columns on the gridview.When I add columns to gridview the width shoots out of the page and the page design is seems ruined.

i placed it inside the panel and added scrol bars to it. it looks ok when debuggin i.e looks ok in internet explorer but in design mode it ruins the page design.

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How To Use ColumnName In GridView Control To Hide Some Columns

Aug 11, 2010

I want to hide few columns of a gridview before they gets displayed. I want to do it by create a common function which can be used by multiple controls. I am using an extension and would like to know how it can be done.

Here is my code


I want to create an extension to hide or show columns provided in the list as an array. 1st function is used on page. While below two functions are needs to be used for multiple applications

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How To Hide Columns In A Bound Gridview With No Rows

Oct 24, 2011

I've got a grid view on my form that is bound to a data table at run tim. The data table is returned by a function rather than direct from the DB so I can't set the datasource at runtime.

I bind the grid in the page_load event like this:-

Dim _dt As System.Data.DataTable
_dt = _srvc.GetVinylShutters(0)
grdShutters.DataSource = _dt
(_dt.Rows.Add(_dt.NewRow) is just there to add a blank row in, otherwise I wasn't seeing any columns at all)

I've then got the following snippet which I want to use to hide some underlying columns:-

For Each col As DataControlField In grdShutters.Columns
Select Case col.HeaderText
Case "OrderID", _
"ShutterID", _
"ModelID", _

[Code] ...

The thing is, wherever I put this it doesn't seem to hide the columns. If I break into the code I can see that grdShutters.Columns.Count equals zero althought I can see that the bound datatable has 38 columns.

I've tried the Page's Load, LoadComplete and PreRenderComplete events as well as the gridview's DataBound, RowDataBound and RowCreated events. I get teh same result in all of them. The grid doesn't actually have any columns until it appears on the screen.

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Allow User To Select Row And Populate Textbox With Columns Details

Nov 1, 2010

Basically, I have a textbox where a user can enter an ID from a database. To make things easier, the user can popup a GridView using a ModalPopupExtender to display all the tables columns, and they can Select a row, which then closes the modalpopupextender and sets the textbox to the row's ID column.

So far I have this:

protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
string testing = GridView1.SelectedRow.Cells[1].Text.ToString();
((TextBox)dtlsInsert.FindControl("txtNom")).Text = GridView1.SelectedRow.Cells[1].Text.ToString();

The 'testing' string gets populated, but it doesn't seem to populate the txtNom textbox. Also, how do I close the modalpopupextender programatically?

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