blocks|key|5737288|text|++++//+Clear+all+the+previously+selected+rows
++++foreach+(DataGridViewRow+row+in+yourDataGridView.Rows)
++++{
++++++row.Selected+=+false;
++++}

++++//+Get+the+selected+Row
++++DataGridView.HitTestInfo+info+=+yourDataGridView.HitTest(+e.X,+e.Y+);

++++//+Set+as+selected
++++yourDataGridView.Rows[info.RowIndex].Selected+=+true;|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|5737289|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code> // Clear all the previously selected rows
 foreach (DataGridViewRow row in yourDataGridView.Rows)
 {
 row.Selected = false;
 }

 // Get the selected Row
 DataGridView.HitTestInfo info = yourDataGridView.HitTest( e.X, e.Y );

 // Set as selected
 yourDataGridView.Rows[info.RowIndex].Selected = true;
</code></pre>

blocks|key|4320183|text|最酷是在右击上添加一个菜单，例如，带有“查看客户信息”、“验证最后的发票”、“将日志条目添加到此客户”等选项。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4320184|您只需添加一个ContextMenuStrip对象，添加菜单项，并在DataGridView属性中选择它的ContextMenuStrip即可。|4320185|这将在用户右键单击的行中创建一个包含所有选项的新菜单，然后您所需做的就是变魔术:)|4320186|请记住，您需要JvR代码来获取用户所在的行，然后获取包含客户端ID的单元格并传递该信息。|4320187|希望它能帮助改进您的应用程序|4320188|http://img135.imageshack.us/img135/5246/picture1ku5.png|offset|length|4320189|http://img72.imageshack.us/img72/6038/picture2lb8.png|4320190|entityMap|0|LINK|mutability|MUTABLE|url|1^0|0|0|0|0|0|0|1J|0|0|0|1H|1|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Y|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Z|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|10|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|11|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|12|8|@]|9|@$L|13|M|14|1|15]]|A|$]]|$1|N|3|O|5|6|7|16|8|@]|9|@$L|17|M|18|1|19]]|A|$]]|$1|P|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]]|Q|$R|$5|S|T|U|A|$V|K]]|W|$5|S|T|U|A|$V|O]]]]

the cool thing is add a menu on that right click, for example with option like "View client information", "verify last invoices", "Add a log entry to this client", etc. 

you just need to add a ContextMenuStrip object, add your menu entries, and in the DataGridView properties just select the ContextMenuStrip of it.

This would create a new menu in the row the user right clicked with all the options, then all you need to do is make your magic :)

remember that you need JvR code to get what row was the user in, then grab the cell that contains the Client ID for example and pass that info.

hope it helps improving your application

<a href="http://img135.imageshack.us/img135/5246/picture1ku5.png" rel="noreferrer">http://img135.imageshack.us/img135/5246/picture1ku5.png</a>

<a href="http://img72.imageshack.us/img72/6038/picture2lb8.png" rel="noreferrer">http://img72.imageshack.us/img72/6038/picture2lb8.png</a>

blocks|key|1723884|text|您可以在DataGridView的MouseDown事件中使用JvR的代码。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1723885|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You can use JvR's code in the MouseDown event of your DataGridView.

blocks|key|1721676|text|继承DataGridView并为网格创建一个MouseDown事件，|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1721677|private+void+SubClassedGridView_MouseDown(object+sender,+MouseEventArgs+e)
{
++++//+Sets+is+so+the+right-mousedown+will+select+a+cell
++++DataGridView.HitTestInfo+hti+=+this.HitTest(e.X,+e.Y);
++++//+Clear+all+the+previously+selected+rows
++++this.ClearSelection();

++++//+Set+as+selected
++++this.Rows[hti.RowIndex].Selected+=+true;
}|code-block|syntax|javascript|1721678|entityMap^0|2|C|M|9|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]|$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|R|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|S|8|@]|D|@]|E|$]]]|L|$]]

Subclass the <code>DataGridView</code> and create a <code>MouseDown</code> event for the grid,

<pre><code>
private void SubClassedGridView_MouseDown(object sender, MouseEventArgs e)
{
 // Sets is so the right-mousedown will select a cell
 DataGridView.HitTestInfo hti = this.HitTest(e.X, e.Y);
 // Clear all the previously selected rows
 this.ClearSelection();

 // Set as selected
 this.Rows[hti.RowIndex].Selected = true;
}
</code></pre>

blocks|key|1723890|text|使其行为类似于鼠标左键？例如：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1723891|private+void+dataGridView_CellMouseDown(object+sender,+DataGridViewCellMouseEventArgs+e)
{
++++if+(e.Button+==+MouseButtons.Right)
++++{
++++++++dataGridView.CurrentCell+=+dataGridView[e.ColumnIndex,+e.RowIndex];
++++}
}|code-block|syntax|javascript|1723892|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Make it behave similarly to the left mouse button? e.g.

<pre><code>private void dataGridView_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e)
{
 if (e.Button == MouseButtons.Right)
 {
 dataGridView.CurrentCell = dataGridView[e.ColumnIndex, e.RowIndex];
 }
}
</code></pre>

blocks|key|1721685|text|你必须做两件事：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1721686|1721687|清除所有行并选择当前行。我遍历了所有行，并为此|ordered-list-item|1721688|使用了布尔表达式i+=+e.RowIndex。如果您已经完成了步骤1，您仍然会遇到一个很大的陷阱：|offset|length|style|CODE|1721689|1721690|DataGridView1.CurrentRow不返回您之前选择的行(这是非常危险的)。由于CurrentRow是只读的，因此您必须执行Me.CurrentCell+=+Me.Item(e.ColumnIndex,+e.RowIndex)|1721691|受保护的覆盖子整数(+System.Windows.Forms.DataGridViewCellMouseEventArgs)+e+As+OnCellMouseDown+MyBase.OnCellMouseDown(e)+Select+Case+e.Button+Case+Windows.Forms.MouseButtons.Right+If+Me.Rows(e.RowIndex).Selected+=+False+Then+For+i+As+Integer+=0+To+Me.RowCount+-1+SetSelectedRowCore(i，I=+e.RowIndex)下一个End+If+Me.CurrentCell+=+Me.Item(e.ColumnIndex，e.RowIndex)+End选择端子|1721692|entityMap^0|0|0|0|8|E|0|0|1W|1F|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|T|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|U|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|V|8|@$H|W|I|X|J|K]]|9|@]|A|$]]|$1|L|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|Z|8|@$H|10|I|11|J|K]]|9|@]|A|$]]|$1|O|3|P|5|6|7|12|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|R|$]]

You have to do two things:

<ol>
<li>Clear all rows and Select the current. I loop through all rows and use the Bool Expression <code>i = e.RowIndex</code> for this</li>
<li>If you have done Step 1 you still have a big pitfall: 
DataGridView1.CurrentRow does not return your previously selected row (which is quite dangerous). Since CurrentRow is Readonly you have to do 

<code>Me.CurrentCell = Me.Item(e.ColumnIndex, e.RowIndex)</code>

<pre><code>Protected Overrides Sub OnCellMouseDown(
 ByVal e As System.Windows.Forms.DataGridViewCellMouseEventArgs)

 MyBase.OnCellMouseDown(e)

 Select Case e.Button
 Case Windows.Forms.MouseButtons.Right
 If Me.Rows(e.RowIndex).Selected = False Then
 For i As Integer = 0 To Me.RowCount - 1
 SetSelectedRowCore(i, i = e.RowIndex)
 Next
 End If

 Me.CurrentCell = Me.Item(e.ColumnIndex, e.RowIndex)
 End Select

End Sub
</code></pre></li>
</ol>

blocks|key|2208129|text|从@Alan+Christensen代码转换为VB.NET|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2208130|Private+Sub+dgvCustomers_CellMouseDown(sender+As+Object,+e+As+DataGridViewCellMouseEventArgs)+Handles+dgvCustomers.CellMouseDown
++++If+e.Button+=+MouseButtons.Right+Then
++++++++dgvCustomers.CurrentCell+=+dgvCustomers(e.ColumnIndex,+e.RowIndex)
++++End+If
End+Sub|code-block|syntax|javascript|2208131|我在VS+2017上进行了测试，它为我工作！|2208132|entityMap^0|1|H|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|R|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|S|8|@]|D|@]|E|$]]|$1|M|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|N|$]]

from <code>@Alan Christensen</code> code convert to VB.NET

<pre><code>Private Sub dgvCustomers_CellMouseDown(sender As Object, e As DataGridViewCellMouseEventArgs) Handles dgvCustomers.CellMouseDown
 If e.Button = MouseButtons.Right Then
 dgvCustomers.CurrentCell = dgvCustomers(e.ColumnIndex, e.RowIndex)
 End If
End Sub
</code></pre>

I am tested on VS 2017 it working for me!!!

blocks|key|5737454|text|If+e.Button+=+MouseButtons.Right+Then
++++++++++++DataGridView1.CurrentCell+=+DataGridView1(e.ColumnIndex,+e.RowIndex)
End+If|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|5737455|代码也可以在VS2019中运行|unstyled|5737456|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>If e.Button = MouseButtons.Right Then
 DataGridView1.CurrentCell = DataGridView1(e.ColumnIndex, e.RowIndex)
End If
</code></pre>
code works in VS2019 too

How do you select a datagridview row on a right-click?

Right-click to select a datagridview row

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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如何通过右键单击来选择数据网格视图行？

问右键单击以选择datagridview行
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问右键单击以选择datagridview行EN