C# 强制转换GridView的数据为DataTable

        /// <summary>

        /// 强制转换GridView的数据为DataTable

        /// </summary>

        /// <param name="dgv">需换换的GridView</param>

        /// <returns>返回DataTable</returns>

        public DataTable GetDgvToTable(DataGridView dgv)

        {

            DataTable dt = new DataTable();

            for (int count = 0; count < dgv.Columns.Count; count++)

            {

                DataColumn dc = new DataColumn(dgv.Columns[count].Name.ToString());

                dt.Columns.Add(dc);

            }

            for (int count = 0; count < dgv.Rows.Count; count++)

            {

                DataRow dr = dt.NewRow();

                for (int countsub = 0; countsub < dgv.Columns.Count; countsub++)

                {

                    dr[countsub] = dgv.Rows[count].Cells[countsub].Value;

                }

                dt.Rows.Add(dr);

            }

            return dt;

        }