CODEWITHSUNDEEP
c#winforms
AndOne
AndOne

Reputation: 171

Force resize of DataGridView columns

I've got a simple form with a DataGridView element on it. In the constructor the grid columns get added and the DataTable gets set. When I then call AutoResizeColumns() it doesn't resize the columns as it would when called by e.g. a button event. The code looks like this (simplified):

public MyDialog()
{
   InitializeComponent();
   dgv.Columns.AddRange(SomeClass.MyColumns);
   dgv.DataSource = SomeClass.Table;
   // This doesn't work:
   dgv.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.AllCells);
}

AutoResizeColumns() works in general but not at that point. Btw, I need this to implement a behavior like it is requested/described here. Any ideas?

Upvotes: 7

Views: 11425

Answers (4)

Satyam Khatri
Satyam Khatri

Reputation: 652

You also need to set AutoSizeColumnsMode of DataGridView

Upvotes: 0

Andrew Mortimer
Andrew Mortimer

Reputation: 2370

I had the same issue until I set the autosize mode:

dgv.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;

Upvotes: 16

DRapp
DRapp

Reputation: 48139

Additionally, I believe the object needs to be VISIBLE before the resize is done... for some reason, the painting doesn't appear to happen as one would expect.

Upvotes: 10

Bolu
Bolu

Reputation: 8786

You need to use AutoResizeColumns() after your DataGridView has data in it. That is the reason. Make sure SomeClass.Table get the data before you call AutoResizeColumns()

Upvotes: 2

Related Questions