C#中把string 转换成int 可以用Convert.ToInt32(str);
但是竟然报错了,字符串都不是为空的并且都是数字字符串。为啥报错,求姐
代码如下
foreach (DataGridViewRow row in this.dataGridViewEx2.Rows)
{
string demandQty = (string)(row.Cells[this.ColSumDemandQty.Name].Value);
string excuteQty = (string)(row.Cells[this.ColSumExecuteQty.Name].Value);
int a = Convert.ToInt32(demandQty);
int b = Convert.ToInt32(excuteQty);
if (a > b) {
MessageBox.Show("OK");
}
}