统计datagridview行数解决思路

统计datagridview行数
1.datagridview.Rows.Count ,可以统计行数，但是也会包括被隐藏的，我问一下在统计行数的时候，如何能过滤掉隐藏行？

2.复制datagridview单元格内容，会复制出这一行的数据，如何只复制选中单元格的内容？

[解决办法]

C# code

dataGridView1.Rows.GetRowCount(DataGridViewElementStates.Visible)
[解决办法]
msdn代码：
C# code
using System;using System.Windows.Forms;public class Form1 : Form{    private DataGridView DataGridView1 = new DataGridView();    private Button PasteButton = new Button();    private TextBox TextBox1 = new TextBox();    [STAThreadAttribute()]    public static void Main()    {        Application.Run(new Form1());    }    public Form1()    {        this.DataGridView1.AllowUserToAddRows = false;        this.DataGridView1.Dock = DockStyle.Fill;        this.Controls.Add(this.DataGridView1);        this.PasteButton.Text = "paste selected cells";        this.PasteButton.Dock = DockStyle.Top;        this.PasteButton.Click += new EventHandler(PasteButton_Click);        this.Controls.Add(this.PasteButton);        this.TextBox1.Multiline = true;        this.TextBox1.Height = 100;        this.TextBox1.Dock = DockStyle.Bottom;        this.Controls.Add(this.TextBox1);        this.Load += new EventHandler(Form1_Load);        this.Text = "DataGridView Clipboard demo";    }    private void Form1_Load(object sender, System.EventArgs e)    {        // Initialize the DataGridView control.        this.DataGridView1.ColumnCount = 5;        this.DataGridView1.Rows.Add(new string[] { "A", "B", "C", "D", "E" });        this.DataGridView1.Rows.Add(new string[] { "F", "G", "H", "I", "J" });        this.DataGridView1.Rows.Add(new string[] { "K", "L", "M", "N", "O" });        this.DataGridView1.Rows.Add(new string[] { "P", "Q", "R", "S", "T" });        this.DataGridView1.Rows.Add(new string[] { "U", "V", "W", "X", "Y" });        this.DataGridView1.AutoResizeColumns();        this.DataGridView1.ClipboardCopyMode =             DataGridViewClipboardCopyMode.EnableWithoutHeaderText;    }    private void PasteButton_Click(object sender, System.EventArgs e)    {        if (this.DataGridView1            .GetCellCount(DataGridViewElementStates.Selected) > 0)        {            try            {                // Add the selection to the clipboard.                Clipboard.SetDataObject(                    this.DataGridView1.GetClipboardContent());                                // Replace the text box contents with the clipboard text.                this.TextBox1.Text = Clipboard.GetText();            }            catch (System.Runtime.InteropServices.ExternalException)            {                this.TextBox1.Text =                     "The Clipboard could not be accessed. Please try again.";            }        }    }}