Databases
StackOverflow2013
Postsdbo
PO
 

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    <p>Use the <code>CellMouseDown</code> event on the <code>DataGridView</code>. From the event handler arguments you can determine which cell was clicked. Using the <code>PointToClient()</code> method on the DataGridView you can determine the relative position of the pointer to the DataGridView, so you can pop up the menu in the correct location.</p> <p>(The <code>DataGridViewCellMouseEvent</code> parameter just gives you the <code>X</code> and <code>Y</code> relative to the cell you clicked, which isn't as easy to use to pop up the context menu.)</p> <p>This is the code I used to get the mouse position, then adjust for the position of the DataGridView:</p> <pre><code>var relativeMousePosition = DataGridView1.PointToClient(Cursor.Position); this.ContextMenuStrip1.Show(DataGridView1, relativeMousePosition); </code></pre> <p>The entire event handler looks like this:</p> <pre><code>private void DataGridView1_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e) { // Ignore if a column or row header is clicked if (e.RowIndex != -1 &amp;&amp; e.ColumnIndex != -1) { if (e.Button == MouseButtons.Right) { DataGridViewCell clickedCell = (sender as DataGridView).Rows[e.RowIndex].Cells[e.ColumnIndex]; // Here you can do whatever you want with the cell this.DataGridView1.CurrentCell = clickedCell; // Select the clicked cell, for instance // Get mouse position relative to the vehicles grid var relativeMousePosition = DataGridView1.PointToClient(Cursor.Position); // Show the context menu this.ContextMenuStrip1.Show(DataGridView1, relativeMousePosition); } } } </code></pre>
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    1. POright click context menu for datagridview
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    1. COYou could also use `(sender as DataGridView)[e.ColumnIndex, e.RowIndex];` for a simpler call to the cell.
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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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