从gridview中计算天数ASP.NEt C# [英] Counting the number of days from gridview ASP.NEt C#
本文介绍了从gridview中计算天数ASP.NEt C#的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
任何帮助将非常感谢!您可以创建一个 TemplateField
,如下所示:
解决方案标签
< ItemTemplate>
Text ='<%#GetDays(Eval(Dateborrowed),Eval(Datereturned)) %GT;'>< / ASP:标签>
< / ItemTemplate>
并具有代码隐藏功能
public string GetDays(object dateborrowed,object datereturned)
{
if(dateborrowed!= null&& datereturned!= null)
{
return((DateTime)datereturned) - ((DateTime)dateborrowed).Days.ToString()+Days
}
}
pre>
您可以添加另一个用于显示罚款的TemplateField。
So I have a gridview with records and dates. I want to count the number of days from Dateborrowed to Datereturned and display them in a label. I also want to add a fine like number of days x $1. In the meantime I'm currently following this. Just started in programming in ASP.NET.
Any help would be much appreciated!! Thanks in advance.
解决方案You can create a
TemplateField
like this with a lable<ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# GetDays(Eval("Dateborrowed "), Eval("Datereturned ")) %>'></asp:Label> </ItemTemplate>
and have a code-behind function
public string GetDays(object dateborrowed, object datereturned) { if(dateborrowed !=null && datereturned!=null) { return ((DateTime)datereturned) - ((DateTime)dateborrowed).Days.ToString() + " Days" } }
You can add another TemplateField for displaying fine.
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