方法一:
遍历你的datagridview所要设定的列,用Match.Round(数值,2)
for (int i = 0; i < dvData.Rows.Count; i++)
{
dvData[列, i].Value = Math.Round(Convert .ToDouble ( dvData[列, i].Value), 2/*数值,小数位数*/);
}
方法二:
this.dgv_Data.Columns[“flotamount”].DefaultCellStyle.Format = “0.00”; //“flotamount”为列名
该方法要保证改单元格一定是数值类型的,已测试好用!!!