private void btnAdd_Click(object sender, EventArgs e)
        {
            isAdd = true;
            A_AddHistoryAttendance_Add Afr = new A_AddHistoryAttendance_Add(this);

            Afr.ShowDialog();
        }
        private void btnLaws_Click(object sender, EventArgs e)
        {
            isAdd = false;
            int a = 0;
            int b = 0;

            if (dgrd.Rows.Count > 0)
            {
                for (int j = 0; j < dgrd.Rows.Count; j++)
                {
                    if (((DataGridViewCheckBoxCell)dgrd.Rows[j].Cells[0]).Value == ((DataGridViewCheckBoxCell)dgrd.Rows[j].Cells[0]).TrueValue)
                    {
                        a = a + 1;
                        b = j;
                    }
                }
                if (a != 0)
                {
                    if (a > 1)
                    {
                        MessageBox.Show("修改只能选择一项!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                    }
                    else
                    {
                        if (dgrd.Rows[b].Cells[1].Value != null)
                        {
                            id = dgrd.Rows[b].Cells[1].Value.ToString();
                        }
                        else
                        {
                            id = "";
                        }
                        A_AddHistoryAttendance_Add Afr = new A_AddHistoryAttendance_Add(this);
                        Afr.ShowDialog();
                        //DialogResult dr = Afr.ShowDialog();
                        //if (dr == DialogResult.OK)
                        //{
                        //    BindDataDataGridView();
                        //}
                    }
                }
                else
                {
                    MessageBox.Show("没有选择修改项!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                }
            }
        }
 private void btnAdd_Click(object sender, EventArgs e)
 {
     isAdd = true;
     A_AddHistoryAttendance_Add Afr = new A_AddHistoryAttendance_Add(this);
     Afr.ShowDialog();
 }
        private void btnLaws_Click(object sender, EventArgs e)
        {
            isAdd = false;
            int a = 0;
            int b = 0;
            if (dgrd.Rows.Count>0)
            {
                for (int j = 0; j < dgrd.Rows.Count; j++)
                {
                    if (((DataGridViewCheckBoxCell)dgrd.Rows[j].Cells[0]).Value == ((DataGridViewCheckBoxCell)dgrd.Rows[j].Cells[0]).TrueValue)
                    {
                        a = a + 1;
                        b = j;
                    }
                }
                if (a != 0)
                {
                    if (a > 1)
                    {

                        MessageBox.Show("修改只能选择一项!","提示",MessageBoxButtons.OK,MessageBoxIcon.Asterisk);
                    }
                    else
                    {
                        if (dgrd.Rows[b].Cells[1].Value != null)
                        {
                            id = dgrd.Rows[b].Cells[1].Value.ToString();
                        }
                        else
                        {
                            id = "";
                        }
                        A_AddHistoryAttendance_Add Afr = new A_AddHistoryAttendance_Add(this);
                        Afr.ShowDialog();
                        //DialogResult dr = Afr.ShowDialog();
                        //if (dr == DialogResult.OK)
                        //{
                        //    BindDataDataGridView();
                        //}
                    }
                }
                else
                {
                    MessageBox.Show("没有选择修改项!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                }
            }
        }