#region 设置小数点

private void gridView4_CustomColumnDisplayText(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDisplayTextEventArgs e)

{

if (e.DisplayText != "")

{

//利用正则表达式判断当前列值不包含中文

//System.Text.RegularExpressions.Match result=System.Text.RegularExpressions.Regex.Match(e.DisplayText, "^[^0-9^.]+");

//^:代表从字符串开头进行匹配

//.*[^0]:代表匹配当前字符串中不为0的字符(.*为贪婪匹配模式,会尽可能多的在字符串中匹配不为0的字符

//如果字符如0.0234000;匹配结果为0.0234)

System.Text.RegularExpressions.Match result1 = System.Text.RegularExpressions.Regex.Match(e.DisplayText, "^.*[^0]");

if (result1.Value.EndsWith("."))

e.DisplayText = result1.Value + "0";

else

e.DisplayText = result1.Value;

 

}

}

#endregion