winform 通过键盘触发按钮事件后，如何获取datagridview内checkbox是否选择

Question

这个问题，如果不通过键盘触发事件，直接去点击按钮，可以获取被选择的checkbox项，但通过键盘触发事件后，就获取不到被选择的checkbox项，大家有什么办法

Answer 1

在checkBox1_CheckStateChanged这个事件里获取他的state！

Answer 2

public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }        private void Form1_Load(object sender, EventArgs e)
        {
            bool bo = true;
            for (int i = 0; i < 10; i++)
            {
                DataGridViewRow row = dataGridView1.Rows[dataGridView1.Rows.Add()];
                row.Cells[0].Value = i;
                row.Cells[1].Value = bo;
                bo = !bo;
            }
        }        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
            int count = 0;
            foreach (DataGridViewRow row in dataGridView1.Rows)
            {
                if (!row.IsNewRow)
                    if (Convert.ToBoolean(row.Cells[1].Value))
                        count++;
            }
            MessageBox.Show(count.ToString());
        }private void InitializeComponent()
        {
            this.dataGridView1 = new System.Windows.Forms.DataGridView();
            this.Column1 = new System.Windows.Forms.DataGridViewTextBoxColumn();
            this.Column2 = new System.Windows.Forms.DataGridViewCheckBoxColumn();
            ((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).BeginInit();
            this.SuspendLayout();
            // 
            // dataGridView1
            // 
            this.dataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
            this.dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
            this.Column1,
            this.Column2});
            this.dataGridView1.Location = new System.Drawing.Point(62, 36);
            this.dataGridView1.Name = "dataGridView1";
            this.dataGridView1.RowTemplate.Height = 23;
            this.dataGridView1.Size = new System.Drawing.Size(269, 150);
            this.dataGridView1.TabIndex = 0;
            // 
            // Column1
            // 
            this.Column1.HeaderText = "Column1";
            this.Column1.Name = "Column1";
            // 
            // Column2
            // 
            this.Column2.HeaderText = "Column2";
            this.Column2.Name = "Column2";
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(657, 376);
            this.Controls.Add(this.dataGridView1);
            this.KeyPreview = true;
            this.Name = "Form1";
            this.Text = "Form1";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.Form1_KeyDown);
            ((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).EndInit();
            this.ResumeLayout(false);        }
    }