Validate DateTimeOffset And TimeSpan Using Attribute Validators In MVC?
Nov 27, 2010
So I've got entities set up with Entity Framework that have some properties of types String, DateTimeOffset and TimeSpan. For performing validation on the Strings, I've used fairly straightforward attributes like "[Required]" or "[StringLength]", and the control used is a textbox.
My issue now is for the DateTimeOffset and TimeSpan, I'm uncertain what control to use, but even more uncertain about what attributes to use to validate the input.
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Jul 6, 2010
inside my model metadata, i have a timespan field that would like to display in all Create, Edit and Display views like "hh:mm". For this, is set DisplayFormatAttribute as follows:
[Code]....
When i try to create a new model object, the time field gets displayed as "00:00:00" im my model (00 is the initial values) instead of "00:00". Is there something i am doing wrong? Note that the same approach works for date fileds, where i want to be displayed as "dd/MM/yyyy" (for this is assign "{0:dd/MM/yyyy}" to the display format attribute).
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Feb 9, 2011
The language I am using is C#.
I have the folowing dillema.
DateTime A, DateTime B. If A < B then I have to calculate the number of days per year in that timespan and multiply it by a coeficient that corresponds to that year.
My problem is the fact that it can span multiple years.
For example:
Nr of Days in TimeSpan for 2009 * coef for 2009 + Nr of Days in TimeSpan for 2010 * coef for 2010 + etc
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Feb 22, 2011
I have to validate that the year entered must be less than or equals to the current year. I am using server side validators in ASP.Net and C#, and all validators are inside a validator group.
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Feb 12, 2010
I've got a simple form with some textboxes. These textboxes all have a RequiredFieldValidator. If field 1 is filled in I need to disable the RequiredFieldValidator of field 2 because only one of these fields is required. What is the best way to accomplish this?
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Mar 17, 2014
How can I validate the page using this javascript on Asp Button Control.
function PrintPanel() {
var panel = document.getElementById("<%=pnlContents.ClientID %>");
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printWindow.document.write('<html><head><title>Trainee Appraisal Form</title>');
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Jan 8, 2014
im trying to dcreate a requiredfieldvalidator that only accept amount of money.
first i used this expresvalidator as it cant receive any letter.
<asp:RegularExpressionValidator ID="rvcheckno" runat="server"
ErrorMessage="Amount receive numbers only!" ControlToValidate="tbamount"
InitialValue="0" ValidationGroup="number">
</asp:RegularExpressionValidator>
but then it also cant receive cent.
i was trying to do something that can accept 130.00
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Jul 21, 2010
I have a page where I am using 2 update panels. The first update panel contains a form that has some validation tied to it. The second on has a simple form, but no validation. When I go to use the form in the second panel, the postback is halted by the validators in the first panel. Everything works as it should when I remove the validators.
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Oct 21, 2010
I would like to use asp.net c# to calculate the timespan for when a file was uploaded. Example, if i uploaded a file two weeks ago my text will say 'uploaded 2 weeks ago' or if i have upload a file 4 month's ago my text will say 'uploaded 4 months ago'
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Feb 18, 2011
In the code i have :
gvRankings.DataSource = rankings.OrderBy(rg => rg.Swimtime).Take(100).ToArray();
gvRankings.DataBind();
(Swimtime here is a timespan)
At the frontside i have
< asp:TemplateField HeaderText="Tijd" ItemStyle-CssClass="time" HeaderStyle-CssClass="smallheader">
< ItemTemplate><%# ("Swimtime")%>< /ItemTemplate>
< /asp:TemplateField>
I would like to format the swimtime like hh:mm:dd.ff but i have (after 2 hours of trying) absolutely no idea how to do this.....
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Feb 3, 2011
I have created a small asp.net application that allows users to reset their passwords. I am able to retrieve that last time the password was reset from the Directory Searcher object, but I'm having trouble with checking the timespan since the last password reset. The users can reset their passwords again after 24 hours have passed, otherwise they well get an error stating that they are not able to update their password at this time. Any recommendations on how to best go about doing this?
string passwordLastSet = string.Empty;
passwordLastSet = DateTime.FromFileTime((Int64)(result.Properties["PwdLastSet"][0])).ToString();
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Aug 17, 2010
I am getting time span paramter from our client apllication(in Asp.net 3.5 using C#).
When i am Saving this Timepan Parameter at Our Backend (Sql server 2008) Using Linq(In WCF Service) it gives following error:
Unable to cast object of type 'System.TimeSpan' to type 'System.IConvertible'.
My Code is given below:
objsession.s_QuestionMasterTopicInsert(topic.Title, contentId,
Convert.ToDateTime(Time),
topic.IsAvailable, ref strRet,
ref strRetMsg);
// topic.Time(is the time span type )
//I changed Convert.ToDateTime(Time) to
new
DateTime(time.Ticks),
objsession.s_QuestionMasterTopicInsert(topic.Title, contentId, new
DateTime(time.Ticks), topic.IsAvailable,
ref strRet,
ref strRetMsg);
But it gives following error:
SqlDateTime overflow. Must be between 1/1/1753 12:00:00 AM and 12/31/9999 11:59:59 PM
Is it Possible to convert timespan to Datetime?
How should I save timespan at My backend as Datetime Field ?
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Jul 26, 2010
I have a calculation that takes place utilizing the TimeSpan.FromTicks method, the result is stored in a TimeSpan object. The calculation itself is working correctly, but I'd like to format the result a bit nicer than it is and I can't figure out how to format a TimeSpan.
The result from the TimeSpan is:
00:00:04.6153846
I'd like to remove any preceding zero's and round up to the second decimal place, such as:
4.62
Does anyone know how I might be able to accomplish this? I can't seem to find a .NET 'built in' solution.
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Oct 29, 2010
I need to convert a timespan into an integer. I have two dates that I am subtracting one from the other, returning a value in days. I then need to perform some arithmatical functions on that value but I cant figure out how.
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Jan 17, 2011
I have a timespan ts that has mostly minutes and seconds and sometimes hours. I'd like to format a string that'll give these results depending on the data
3:30 (hours not displayed, showing only full minutes)
13:30
1:13:30 (shows only full hours instead of 01:13:30)
So far I have
string TimeSpanText = string.Format("{0:h\:mm\:ss}", MyTimeSpan);
but it's not working.
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Sep 25, 2010
in my application two time input will be passing to my sql stored procedures and I need to calculate the timespan between them. how can I do that? is there any way that I can do the following in t-sql?
[Code]....
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Nov 2, 2010
I would like to declare some properties of my View Model of type TimeSpan to display the TotalMinutes property and bind back to a TimeSpan.
I've bound the property without using the strongly-typed helper in order to retrieve the TotalMinutes property:
<%=Html.TextBox("Interval", Model.Interval.TotalMinutes)%>
When the field is bound back to the View Model class it parses the number as a day (1440 mins).
How can I override this behaviour on certain properties (preferably using attributes on the View Model itself)?
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Mar 31, 2011
<asp:GridView ID="GridView1" runat="server">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:TextBox ID="TextBox1" onchange="calculate()" runat="server" Text="0"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
I'm getting this error on the above markup: Message 1 Validation (ASP.Net): Attribute 'onchange' is not a valid attribute of element 'TextBox'.
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Mar 17, 2011
I have a problem with my web site 1stSigBdeAssn.org. I have made no changes to the site but I now get the following error message:
Parser Error Message:
Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive.
Source Error:
[code]....
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Feb 1, 2011
I created a simple Master Page in Visual Studio 2008:
<%@
Master
Language="VB"
CodeFile="MasterPage.master.vb"
Inherits="MasterPage" %>
<!DOCTYPE
html
PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN"
and got green underlined 'Master' with two warning messages: 1.Validation (ASP.NET): This attribute name must be followed byan equal (=) sign and a value. If the value is in quotation marks, the quotation marks must match. 2. Validation (ASP.NET): Attribute 'Master' is not a valid attribute of element 'Control'.How I can get rid of the messages?
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Nov 16, 2010
I have a column as totalsecond in my database i take a avg of tht totalsecond column for the particular parameter and condition and when i come on my aspx page i show that data as hh:mm:ss by converting it with timespan function of dotnet and show this in datagrid but while doing this calculation in DataGrid_ItemDataBind it take so much time and the user have to wait for long time for the result after clicking button show when there is large amount of data.
How can i reduce the time of waiting for the user with some coding logic that speed up the calculation time.
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Dec 19, 2010
I want to have a total in the gridview footer of the duration of the employees. As the rowdatabound goes through the cycles I can see it reading the correct times from each row but it is not totalling in totalTime and I get 0:00:00 in the footer.
[Code]....
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Sep 17, 2010
I have a tag:
<asp:ListItem
CssClass="LabelCSS">Executive</asp:ListItem>
and I am getting the error message
Validation(ASP .Net):Attribute CssClass is not a valid attribute of element ListItem.
What attribute would I use for Css with ListItem?
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Nov 29, 2010
i'm trying to host an .net framework4.0 application in IIS7. i got an error while clicking on the manage module in modules .like ("Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive. ") .I changed my application poll to .net4.0.I am able to browse my application
</system.serviceModel>
</configuration>
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Oct 20, 2010
I installed Microsoft Visual Studio 2010 Ultimate Trial and converted existing asp.net 2.0 web application and I am getting this error: znrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive. It's coming from this section in the web.config which was auto-generated by VS2010 when I converted the project:
<compilation defaultLanguage="c#" debug="false" targetFramework="4.0">
<compilers>
<!--<compiler language="c#" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" extension=".cs" compilerOptions="/d:DEBUG;TRACE" /></compilers> -->
<compiler language="c#" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" extension=".cs"/></compilers>
<assemblies>
<add assembly="Microsoft.JScript, Version=10.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/></assemblies></compilation>
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