CodeSnip: Hiding Columns using GridView
page 1 of 4
Published: 15 Aug 2006
Unedited - Community Contributed
Abstract
A simple technique for hiding certain columns in an ASP.NET GridView control. The secret is knowing when to set the Visible property to false.
by Sachin Dedhia
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Introduction

When displaying data in a grid, there are instances when you would want the data column not to be visible to the client and still require it for further processing. This can be achieved by simply setting the column’s visibility property to False.  This can be done in versions prior to ASP.NET 2.0, but how do you achieve this in ASP.NET 2.0?  Read on to find out…


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Title: Miss.   
Name: Akansha
Date: 2011-10-05 4:23:22 AM
Comment:
Thank you soooo much...U code made it so easy..!!!
Title: Mr.   
Name: Sanjay Khandagale
Date: 2011-09-13 10:26:20 AM
Comment:
You can handle the GridView_RowBound event and make the cell of which the column need to hide invisible like followin

protected void gdvAgency_RowDataBound(object sender, GridViewRowEventArgs e)
{
e.Row.Cells[1].Visible = false;
}

Here my first column was select button and second one agency Id I am hiding autoid column here.
Title: thanks a lot   
Name: chaitanya
Date: 2010-08-02 4:06:36 AM
Comment:
your articel is very helpfull :)
Title: ss   
Name: snehal
Date: 2010-02-24 1:23:54 AM
Comment:
I was tring to 'hide' the visibility of the gridview column after databound ... that was not working.
in page load
Title: Thanks   
Name: S
Date: 2010-02-22 4:17:05 PM
Comment:
Thanks alot.

I was using the ObjectDataSource with my gridview.

I was tring to 'hide' the visibility of the gridview column after databound ... that was not working.

I was just about to give up on using the ObjectDataSource and do the databinding in code.

Your solution works great.

Thanks alot.
Title: Another solution - correction   
Name: Gunnar
Date: 2010-01-27 12:19:53 PM
Comment:
//Sorry some of the code was missing
protected void ExpandCol(object sender, EventArgs e)
{
GridView1.Columns[0].Visible = true;

for (int i = 0; i < GridView1.Rows[i].Cells.Count; i++)
{
for (int j = 0; j < GridView1.Rows[i].Cells.Count; j++)
{
GridView1.Rows[i].Cells[j].Visible = true;
}
}
}
Title: Another Solution   
Name: Gunnar
Date: 2010-01-27 12:03:31 PM
Comment:
Thanks for your solution.
Another approach ist to databind first and then hide columns in the code behind page
...
GridView1.DataBind();
GridView1.Columns[0].Visible = false;
...
//function (codebehind) which shows the data
//called from any asp.net-control)
protected void ExpandCol(object sender, EventArgs e)
{
GridView1.Columns[0].Visible = true;
}
Title: Ms   
Name: Dee
Date: 2009-08-28 6:37:01 AM
Comment:
I get index out of Arg out range exception?? This does not work
Title: Great Thanks!!   
Name: Nripin Babu
Date: 2009-07-29 6:39:22 AM
Comment:
Great Thanks!!
Title: A better way   
Name: Waqar Ahmad
Date: 2009-05-22 2:06:44 AM
Comment:
on page load event

myGridView.Column[0].Visisble = false;

Row Created event will be called upon each row.. however there are some cases where we may need to use this event
Title: Thank u so much   
Name: Viji
Date: 2009-05-16 5:30:02 AM
Comment:
wow... Thank you so much... I was breaking my head to do this... This article helped me a lot... Thank u..
Title: Nice solution   
Name: Angel
Date: 2009-04-15 1:56:24 AM
Comment:
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Name: Ed McPeak
Date: 2009-02-23 7:29:00 PM
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Title: How I can make it work on C#   
Name: Sachin Dedhia
Date: 2008-12-04 1:07:14 AM
Comment:
Nelson,
Select the GridView control on you page. Bring up the properties window. Click on the "Events" botton (looks like flash/thunder symbol). You will get a list of events from where you double-click "RowCreated" event.

Further, since you are new to ASP.NET, I suggest you take some help from your colleagues.
Title: How I can make it work on C#   
Name: Nelson
Date: 2008-12-02 11:03:06 PM
Comment:
I am new on ASP, and couldn't make it work on C sharp, were on code should I put it?
Title: Works Great   
Name: Yvette
Date: 2008-11-22 3:27:28 PM
Comment:
I kept getting an Argument Out of Range exception so I put the code in a Try block and it solved all my problems. Thanks!

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