displayformat

问题 When I have a column in a local data frame, sometimes I get the message Variables not shown such as this (ridiculous) example just needed enough columns. library(dplyr) library(ggplot2) # for movies movies %.% group_by(year) %.% summarise(Length = mean(length), Title = max(title), Dramaz = sum(Drama), Actionz = sum(Action), Action = sum(Action), Comedyz = sum(Comedy)) %.% mutate(Year1 = year + 1) year Length Title Dramaz Actionz Action Comedyz 1 1898 1.000000 Pack Train at Chilkoot Pass 1 0 0

问题 When I have a column in a local data frame, sometimes I get the message Variables not shown such as this (ridiculous) example just needed enough columns. library(dplyr) library(ggplot2) # for movies movies %.% group_by(year) %.% summarise(Length = mean(length), Title = max(title), Dramaz = sum(Drama), Actionz = sum(Action), Action = sum(Action), Comedyz = sum(Comedy)) %.% mutate(Year1 = year + 1) year Length Title Dramaz Actionz Action Comedyz 1 1898 1.000000 Pack Train at Chilkoot Pass 1 0 0

问题 I have a model property I'm trying to render using an EditorFor template, and I'm trying to apply formatting using the DisplayFormat attribute. However, it's not working at all -- it's totally being ignored. Here is my template: @model System.Decimal? @Html.TextBoxFor(m => m) Here is my model: [DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:0.00}")] public decimal? Retail { get; set; } Here is my view: @Html.EditorFor(m => m.Retail) But it's rendering a textbox with the

问题 In my website I use the Kendo-grid. In that grid, there is a column "Amount" with these values: You see that there are dollar-signs before the amounts, but I want euro-signs. The globalization-culture settings are correct, because when I show an amount outside the grid, it shows me the amount with a euro-sign. I'm developing this website with ASP.NET MVC5. In my model I have this property: [DisplayFormat(DataFormatString = "{0:c}")] public decimal Amount { get; set; } You see that I format my

问题 I want to be able to mark properties in my viewmodel to be formatted using a custom format when displayed in my MVC view. I assume I need my own displayformatattribute and set the displayformat but I am not sure how to set this displayformat or where. If I want to show a number as currency it is easy, just set DataFormatString to "{0:C}" in the constructor of the attribute. But if for example I want to mask email addresses (so remove the domain name), how would I do this using either a