How to change column width in DataGridView

Question

I have created a database and table using Visual Studio s SQL Server Compact 3 5 with a dataset as my datasource  On my WinForm I have a DataGridView with 3 columns  However  I have been unable to figure out how to get the columns to take up the full width of the DataGridView which is shown in the image below     I want to make the abbreviates column wider and then have the description column extend all the way over to the edge of the form  Any suggestions   Update   using System  using System Collections Generic  using System ComponentModel  using System Data  using System Drawing  using System Linq  using System Text  using System Windows Forms   namespace QuickNote   public partial class hyperTextForm   Form       private static hyperTextForm instance       public hyperTextForm                 InitializeComponent            this WindowState   FormWindowState Normal          this MdiParent   Application OpenForms OfType lt Form1 gt    First                           public static hyperTextForm GetInstance                 if  instance    null    instance IsDisposed                        instance   new hyperTextForm                       return instance             private void abbreviationsBindingNavigatorSaveItem Click object sender  EventArgs e                this Validate            this abbreviationsBindingSource EndEdit            this tableAdapterManager UpdateAll this keywordDBDataSet              private void hyperTextForm Load object sender  EventArgs e                   TODO  This line of code loads data into the  keywordDBDataSet abbreviations  table  You can move  or remove it  as needed          this abbreviationsTableAdapter Fill this keywordDBDataSet abbreviations           abbreviationsDataGridView Columns 1  Width   60          abbreviationsDataGridView Columns 2  Width   abbreviationsDataGridView Width - abbreviationsDataGridView Columns 0  Width - abbreviationsDataGridView Columns 1  Width - 72

User · Accepted Answer

You could set the width of the abbrev column to a fixed pixel width, then set the width of the description column to the width of the DataGridView, minus the sum of the widths of the other columns and some extra margin (if you want to prevent a horizontal scrollbar from appearing on the DataGridView):

dataGridView1.Columns[1].Width = 108;  // or whatever width works well for abbrev
dataGridView1.Columns[2].Width = 
    dataGridView1.Width 
    - dataGridView1.Columns[0].Width 
    - dataGridView1.Columns[1].Width 
    - 72;  // this is an extra "margin" number of pixels

If you wanted the description column to always take up the "remainder" of the width of the DataGridView, you could put something like the above code in a Resize event handler of the DataGridView.

User · Answer

Set the  AutoSizeColumnsMode  property to  Fill    By default it is set to  NONE   Now columns will be filled across the DatagridView  Then you can set the width of other columns accordingly   DataGridView1 Columns 0  Width 100    The id column  DataGridView1 Columns 1  Width 200    The abbrevation columln   Third Colulmns  description  will automatically be resized to fill the remaining    space

User · Answer

In my Visual Studio 2019 it worked only after I set the AutoSizeColumnsMode property to None

[c#] How to change column width in DataGridView?

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