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DataTable dtNum = new DataTable();
DataColumn Month = dtNum.Columns.Add("Month", System.Type.GetType("System.String"));
DataColumn number = dtNum.Columns.Add("number", System.Type.GetType(" System.Decimal"));
for (int i = 1; i < 13; i++)
{
DataRow dr = dtNum.NewRow ();
dr[0] = i + "月";
dr[1] = 0;
dtNum.Rows.Add(dr);
}
// return dtNum;
this.dgv1.DataSource = dtNum;