Binding DataGridView to list in Windows applicatoin

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Hi,
I m trying to bind a List with DataGridView Datasource

C#

grdView.DataSource=files;
where files is the List

I am assigning the above in a Button Event. I am adding items to the list in the same Button Event . This works fine when I first call the Button Event. Items get populated on the GridView. But when I click the button 2nd time, I will append new items to the list.Items are getting added to the list, but these items are not getting populated in the DataGridView. I have tried BindingSource also, this has the same problem as before. I am sure that the DataGridView is not detecting the new list of data.

Can any one help me with this.

Posted 25-Jun-14 17:04pm

Prasaad SJ

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2 solutions

Solution 1

clear and then set the DataSource

C#

grdView.Rows.Clear();
grdView.DataSource=files;

Posted 25-Jun-14 17:17pm

DamithSL

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Prasaad SJ 25-Jun-14 23:32pm

"Rows collection cannot be programmatically cleared when the DataGridView control is data-bound to anything else than an IBindingList that supports change notification and allows deletion."

I am getting this error. Seems we cannot manually clear the rows.

DamithSL 26-Jun-14 0:11am

are you using binding source?

Prasaad SJ 26-Jun-14 7:08am

If I use the binding source, I m not getting the error but no rows are displayed even if I add new values to the list.

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Pradeepkumar patil sonu · Accepted Answer · 2014-06-25T18:59:00

Solution 3

try this
dataGridView1.DataSource = fileDetails.ToArray();

Posted 25-Jun-14 18:59pm

Pradeepkumar patil sonu

Comments

Prasaad SJ 26-Jun-14 7:18am

Vow. I don't know how it works. But it is working good.. Can you explain how it works when you convert your list to Array.