Show Only Date Using Linq?
Nov 9, 2009i want to show only date in my dropdownlist from the database using linq in vb.net...
but everytime the "time" comes too..how to show only date using linq..
i want to show only date in my dropdownlist from the database using linq in vb.net...
but everytime the "time" comes too..how to show only date using linq..
I'm trying to get datetime value but here is issue with nullable datetype.
Public Function GetDate(ByVal kodg As Integer) As DateTime
Dim g = From dt In db.xDates _
Join f In db.xGrafiks On dt.КодД Equals f.DateKod _
[Code]....
I have an access form that shows a data table. when the form is opened, I want to filter the data in the date column to show only the records that don't have a date entered into the field.
View 8 RepliesHow do i code a date time picker in form 1 and show the date and time in a label in another, I have 2 forms and a module to transfer.
View 4 RepliesI am creating a Calender application using the monthly calender control.I am trying to implement a search for the calendar so a date can be entered into a text box which intern moves the calender to show the date entered. I have been try to figure this out with no luck, is it even possible to do?
View 2 RepliesI've got a new instance of an object in a Linq DBML, but don't know of the test if the a date field is empty.I have tried:
If d Is Nothing OrElse IsDBNull(d) OrElse d <= Date.MinValue Then
TextValue = "nada"
Else
TextValue = FormatDateTime(d)
End If
But the result is "12:00:00 am"
edit: Changed variable name the d
edit: note that the SQL field is nullable
Is it possible to add some hours to linq date result ? something like this:
[Code]...
Need convert from text to date and in linq.
CVDate(Format([Creation_Date],"mm/dd/yyyy")) = DATE ()-1
how could I put this on a linq query?
Dim requests = MyDataSet.Tables("T_REQUEST")
Dim full = (From a In requests _
Where a!PNR_STATUS.ToString = "S" And a!CREATION_DATE = "03/01/2011" _
[Code].....
I need to have a query which list all the user according to the date value in the database. Problems is this, in the database the date format is 5/5/2009 4:30:12 but I want to compare with 5/5/2009. I think the value of the based date is 5/5/2009 12:00:00 and that's why I couldn't query it.
The query is something like
dim db = new databcontext
dim user = from u in db.datacontext where u.signUpTime = 5/5/2009 select u.
I have a question regarding LINQ 2 SQL and data integration with textbox:I have one textbox and button on my form, one stored procedure and LINQ 2 SQL class file in my project,I want that when I hit button, my store procedure run the SQL query and show me the result in textbox.I am using VB 2008 and Visual Basic for programing.
View 2 RepliesI have a DataSet where I need to filter the collection where one of the date columns is not null.
How do you term this in LINQ?
This is what I have so far but there is a compiler error on the w.CompletedDate field in the Where clause.
Dim completed = From ins In InspectionDataset.Inspection.AsEnumerable _
Where (Function(w) w.CompletedDate IsNot Nothing) _
Order By ins.Field(Of DateTime)("UpdatedDate")
I have also tried it the below way but the compiler will not allow the DBNull comparison.
Dim completed = From ins In Inspection.AsEnumerable _
Where ins.Field(Of DateTime)("CompletedDate") <> DBNull.Value _
Order By ins.Field(Of DateTime)("UpdatedDate")
Im using the folowing function to return a SelectList. I need a custom format on Descr, but replacing Key.ToString() to Key.ToString("DD/MM/YY") render me the error "Method 'System.String ToString(System.String)' has no supported translation to SQL.". How could i use a custom date format on Descr?
Public Function ReturnDates(ByVal Param_Pesq_Cod As Integer) As SelectList
Dim Qry = From E In DB.Execs _
Where E.Pesq_Cod = Param_Pesq_Cod _
[code]....
I have a datatable where there are 3 columns
ID | Name | Date
and i have 4 columns
1 | ABC | 20/07/2012
[code].....
How to show the status by compare the current date with the data that in the database by using the VB.net and i'm using the SQL server for the database.[code]...
View 3 RepliesI have a simple If..Then like so:
If rhcexists.First.SignatureDate > Date.Today.AddMonths(-6) Then
End If
rhcexists is a simple query to the Entity Model:
[code].....
also i have a table called Orders with several columns, they contain information about the order and store the ID of the Customer they belong to.Question is: how can i query that table with (preferably) linq (the datacontext is from LinqToSql) to return the following dataI want to search for any entry with the matching CustomerID which took place, group them by Year, Sum the Totals respectively and add them to the listview?I now i could use lamda expressions and aggregate, its just not clear how (option infer on,db is a datacontext object,CustomerID is an int32 variable):
Dim Orders = (From order In db.Orders Where order.CustomerID = CustomerID).GroupBy(Function(p) p.Date.Year).GetEnumerator
I reckon i'd have to create an anonymous type like the following:
[code].....
How can I call this function to show the current date in CurrentDate.Text textbox?
Public Shared Function getCurrentDateTimeString() As String
return DateTime.Now.ToString("yyyyMMddHHmmssff)"
How do i show the date in a label 2 months before today?[code]...
View 9 Repliesi just wanna show the date which is in the database using ADO.net
[Code]...
I have two linked tables in my database <the first is Patient include (number,first name and last name) and the other is Appointment include (number,date,time)I want to show the first name in datagridview for some date.I tried this code,but It won't work,I think something missing
Dim query = From pat In Me.ClinicDBDataSet.Patient, app In Me.ClinicDBDataSet.Appointment _
Where pat.Patient_No = app.Patient_No AndAlso app.App_Date > DateTimePicker1.Value AndAlso app.App_Date < DateTimePicker2.Value _
Select pat
PatientDataGridView.DataSource = query.AsDataView
I am trying the following to select a long date, but becase the value is stored in SQL database as DateTime I am unable to return any results unless minutes and seconds match perfectly...I then tried to use 2 calendars and have the same issue with the DateTime format..
CODE:
Hello, I am reading in a date from the database in the format "7/23/2059 12:00:00 AM" Is it possible to reformat this string as follows where the full name of the month is shown. Then the day followed by a comma and the year? "August 5, 2009" I could write my own code to do this, but I don't want to reinvent the wheel. Here is my code I use to read the value. Basically I am getting it from a data set, and the date valu
View 5 Repliesi have one datetime picker want to show selected date into textbox
View 5 RepliesI have two tables, a LP_task table and an lp_Update table. I want a complete list of tasks and only updates that were posted during a specific date range. LINQ doesn't seem to support any other join criteria but 'equals'or each task. I want all tasks (left table) even if they don't have an update. (Left Outer Join)
Dim TasksData = (From t In db.LP_Tasks _
Group Join up In db.LP_Updates On t.ID Equals up.TaskID Into upds = Group _
From u In upds.DefaultIfEmpty _
[code]......
clicking on a date several times and have the display show always
View 4 RepliesI'm trying to format a datetime field to just show the date. The datetime is bound to an asp:label and for the Text attribute I have tried the following....
Text= String.Format("{0:D}", '<%# Bind("CReviewDate") %>')
and
Text= String.Format("{0:D}", <%# Bind("CReviewDate") %>)
[Code]....
In all cases I get a green wavy line under the equation and the tip help says "Validation (ASP.Net): If this attribute value is enclosed in quotation marks, the quotation marks must match. String.Format("{0:D}", DateTime.Now) is the syntax that I have been told should work.
I have a date that I retrieve from database. I want to give ability to edit time on my gridview, as my date is date+time, I want to show the time on my database as my selected value on the dropdown list and a ability to choose other times from the list and save back again with date+time on the database.[code]
View 1 RepliesI have a report based on a query which requires the user to input the date range. I would like this date range to be a label in the report header. Which shows both the date and time an entry was made. For the previous reports I would run Yearly reports Display the Day ,month and year entered in a parameter query. At present I am trying to run a report for the period "Jan 1 2010 to Dec 31 2010" and would like a formula that would display "Jan 1 2010 to Dec 31 2010" in the report header.
SELECT GetAutonumber([CountryName]) AS [No], ProjectDetails.ProjectName,
FundingInstitution.FundingInstitution, EOIDetails.ClientAddress,
EOIDetails.DateOfSubmission, EOIDetails.ConsortiumName,
[Code] ......
Is there any way to use a DTP and have nothing but the slashes show until the user enters a date?
View 7 Repliesmy form need to show the current date when click on button. the code inside the button is TextBox1.text = System.DateTime.Now.After clicking, the textbox show "9/29/2009 4:32:10 PM" may i know is it possible for me to show only the date and also to change the format to dd/mm/yyyy?
View 1 Replies