C#中DataGridView动态添加行及添加列的方法

DataGridViewTextBoxColumn acCode = new DataGridViewTextBoxColumn();
acCode.Name = "acCode";
acCode.DataPropertyName = "acCode";
acCode.HeaderText = "A/C Code";
dgvVouchers.Columns.Add(acCode);

DataGridViewRow dr = new DataGridViewRow();
dr.CreateCells(dgvVouchers);
//添加的行作为第一行
dgvVouchers.Rows.Insert(0, dr);
//添加的行作为最后一行
dgvVouchers.Rows.Add(dr_new);