string - don't show zero ("0") in datagridview cell in c#

Question

I used string.format() for a column in datagridview to separate thousands with comma but

in cases that the value is zero "0" the datagridview's cell don't show zero and cell is empty

dataGridView2.Columns[7].ValueType = typeof(string);

dataGridView2.Columns[7].DefaultCellStyle.Format = string.Format("#,#", System.Globalization.CultureInfo.InvariantCulture) ;

please help me

regards

Answer 1

来自MSDN：自定义数字格式字符串

• # 如果不是有效数字，则从不显示零。
• 0 表示一个数字，如果不存在则显示 0。

所以我将表达式更改为#,0，它起作用了：

• 0.0 => 0
• 50.0 => 50
• 74.0 => 74
• 1260.0 => 1,260
• 12325.0 => 12,325