Question

.Net DataGridView align cell content to top

Asked by: cosie

I have a Winforms .Net2.0 C# app using DataGridView with noneditable text data in it.
I woul like 14 pixel high rows... I use a font with fontsize=8.
DataGridView1.RowTemplate.Height = 14;
And I set every row to the same height in a loop:
DataGridView1.Rows[i].Height = DataGridView1.RowTemplate.Height;

My only problem is that in every row there is a 2 pixel hight empty area betwwen the text and the top border, and the last 2 pixels of the text are cut by the bottom border of the cells.
I need 1 pixel high cell borders, but I need to "shift up" the cell content with 2 pixels so the

How can I remove the 2 pixel top padding of the cells?
Maybe custom CellPaint needed?
I tried DefaultCellStyle.padding=new Padding(0), but did not helped...
I tried also set align to TopLeft, but not helped...

Please help...





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Asked On
2009-05-28 at 06:03:29ID24444834
Tags

.net c# winforms

Topics

C# Programming Language

,

.NET Framework 2.x

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Answers

 

by: strickddPosted on 2009-05-28 at 11:32:01ID: 24496391

you can apply a style to the "td" tag in a CSS or you can loop through all the rows after they are created and apply a style to text-align:right.

 

by: cosiePosted on 2009-05-28 at 23:26:33ID: 24500546

I found the solution myself.
You have to override the callpainting event and modify CellBounds.Top -= 1;

        void dataGridView_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
        {
            try
            {
                Rectangle CellBounds = e.CellBounds;
                CellBounds.Location = new Point(CellBounds.Left, CellBounds.Top - 1);

                if (e.ColumnIndex > -1 && e.RowIndex > -1 && e.RowIndex != moListCtrl.NewRowIndex)
                {
                    StringFormat sf = new StringFormat();
                    if (moListCtrl.Columns[e.ColumnIndex].DefaultCellStyle.Alignment == DataGridViewContentAlignment.TopRight)
                    {
                        sf.Alignment = StringAlignment.Far;
                    }

                    e.Paint(e.CellBounds, DataGridViewPaintParts.All & ~DataGridViewPaintParts.ContentForeground);
                    if (this.moListCtrl[e.ColumnIndex, e.RowIndex].Selected)//selected
                    {
                        using (SolidBrush sb = new SolidBrush(e.CellStyle.SelectionForeColor))
                        {
                            e.Graphics.DrawString(e.Value.ToString(), e.CellStyle.Font, sb , CellBounds, sf);
                        }
                    }
                    else //unselected
                    {
                        using (SolidBrush sb = new SolidBrush(e.CellStyle.ForeColor))
                        {
                            e.Graphics.DrawString(e.Value.ToString(), e.CellStyle.Font, sb, CellBounds, sf);
                        }

                    }
                    e.Handled = true;
                }
            }
            catch (Exception) { }
        }

20120131-EE-VQP-002

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