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    <p>Not my code, found at <a href="http://social.msdn.microsoft.com/Forums/en-US/winformsdatacontrols/thread/769ca9d6-1e9d-4d76-8c23-db535b2f19c2" rel="nofollow noreferrer">msdn forum thread</a></p> <pre><code>//--------------------------------------------------------------------- //THIS CODE AND INFORMATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY //KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE //IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A //PARTICULAR PURPOSE. //--------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Text; using System.Windows.Forms; using System.Drawing; using System.ComponentModel; namespace Sample { public class DataGridViewProgressColumn : DataGridViewImageColumn { public DataGridViewProgressColumn() { CellTemplate = new DataGridViewProgressCell(); } } } namespace Sample { class DataGridViewProgressCell : DataGridViewImageCell { // Used to make custom cell consistent with a DataGridViewImageCell static Image emptyImage; static DataGridViewProgressCell() { emptyImage = new Bitmap(1, 1, System.Drawing.Imaging.PixelFormat.Format32bppArgb); } public DataGridViewProgressCell() { this.ValueType = typeof(int); } // Method required to make the Progress Cell consistent with the default Image Cell. // The default Image Cell assumes an Image as a value, although the value of the Progress Cell is an int. protected override object GetFormattedValue(object value, int rowIndex, ref DataGridViewCellStyle cellStyle, TypeConverter valueTypeConverter, TypeConverter formattedValueTypeConverter, DataGridViewDataErrorContexts context) { return emptyImage; } protected override void Paint(System.Drawing.Graphics g, System.Drawing.Rectangle clipBounds, System.Drawing.Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts) { int progressVal = (int)value; float percentage = ((float)progressVal / 100.0f); // Need to convert to float before division; otherwise C# returns int which is 0 for anything but 100%. Brush backColorBrush = new SolidBrush(cellStyle.BackColor); Brush foreColorBrush = new SolidBrush(cellStyle.ForeColor); // Draws the cell grid base.Paint(g, clipBounds, cellBounds, rowIndex, cellState, value, formattedValue, errorText, cellStyle, advancedBorderStyle, (paintParts &amp; ~DataGridViewPaintParts.ContentForeground)); if (percentage &gt; 0.0) { // Draw the progress bar and the text g.FillRectangle(new SolidBrush(Color.FromArgb(163, 189, 242)), cellBounds.X + 2, cellBounds.Y + 2, Convert.ToInt32((percentage * cellBounds.Width - 4)), cellBounds.Height - 4); g.DrawString(progressVal.ToString() + "%", cellStyle.Font, foreColorBrush, cellBounds.X + 6, cellBounds.Y + 2); } else { // draw the text if (this.DataGridView.CurrentRow.Index == rowIndex) g.DrawString(progressVal.ToString() + "%", cellStyle.Font, new SolidBrush(cellStyle.SelectionForeColor), cellBounds.X + 6, cellBounds.Y + 2); else g.DrawString(progressVal.ToString() + "%", cellStyle.Font, foreColorBrush, cellBounds.X + 6, cellBounds.Y + 2); } } } } </code></pre>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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