Iterating Through Date Range?
Jan 16, 2009Can somebody show me how to loop through days between two DateTimes in VB?
View 3 RepliesCan somebody show me how to loop through days between two DateTimes in VB?
View 3 RepliesWould it be possible to search a table, confining to a specific date range based on a date-time column, and get a count of the 10 most used words in a particular var-char column excluding a list of words?All in SQL?Currently I am pulling out the records that match and sorting through the contents outside of SQL, I would think where I can do it directly on the server it would be more efficient.(SQL 2008)
View 4 RepliesI have several records in a database that have Start and End Dates
09/15/2011 - 09/30/2011
10/15/2011 - 10/22/2011
11/01/2011 - 11/15/2011
When user stores a record, I need to make sure dates don't overlap.My simple code checks date ranges within a specific record (e.g. user enters 9/16/2011 or 10/21/2011, I throw an exception.)But, on the slim chance a user gets creative (e.g. 10/14/2011 - 10/23/2011 or even 10/14/2011 to 11/16/2011), now they have circumvented my check.BTW, the user could enter 10/14/2011 to 10/23/2011 if they were editing the record that contained values 10/15/2011 - 10/22/2011.So, I'm trying to solve this riddle with a linq query. However, what I have isn't working exactly right.
UPDATE Nevermind about code not working. While trying to provide an example to expand on Miika's repsonse, I found my answer. So, giving credit to Miika for pointing me in the right direction and posting my working code below:
Here's my code:
Private Sub CheckForOverlap(myMonth As Messages.MyMonth)
Dim am As New MyMonth()
Dim amCollection As Messages.MyMonthCollection
[code]....
I am trying to get a list of dates from a provided StartDate and EndDate in my database, and use these dates to link to dates in a database (to display another variable on the y-axis of the chart) and to populate the x-axis of a chart (with the list of dates). Is it possible to get a list of dates in VB and pass them into a chart this way?
View 2 Repliesi just want to ask how can i populate a listview n vb.net that has a is limited by a date from and date to.i have a datetimepicker for start date and datetimepicker for end date and i want do list all the entry of my database in listview that is within the range of the start date and end date.
View 5 RepliesI have following code and I can filter data on grid but when I pick same date in 2 datepicker it shows nothing.
[Code]...
How to get if the date entered is in the range?
Ex. the month of April, the number of days is only 1 to 30. What if the user will enter the date range of 4/1/2011 to 4/31/2011 in the mask textbox? I am using Mask textbox because datetimepicker will not accept empty value and it cannot be empty either.
I'm asking this because I encountered an error when querying in MS SQL SERVER 2005. It says "The conversion of char data type to smalldatetime data type resulted to in an out-of-range smalldatetime value." I thought it was the casting or conversion problem. I've observed the SQL when transacting and I found no difference with my code.
So then, I just figured it out that my date exceeded the number of days of the April month.
i am having problems getting my calendar to work, passing a start and end date for a rental car and displaying on the form the number of days chosen and the amount for the total. This is the first form problem I have done. I cannot see what I am doing wrong. It does not figure number of days and the amount just stays zero.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
[code].....
I have following code and I can filter data on grid but when I pick same date in 2 datepicker it shows nothing. How can I fix the problem.
[Code]...
I have two DateTimePickers controls.I am wanting to loop from one date to the other, displaying the date in a msgbox.[code]
View 4 RepliesI have a datagrid view with some data in it. The first column (0) is called 'Date' and contains the dates I want to work with.What I would like is to be able to filter (only display) the data between a date range selected by the user using 'Datetimepicker1' and 'Datetimepicker2'
This is the code I have. its not right of course, but it may help explain what I'm trying to achieve, I wonder if someone could give me a pointer?
[Code]...
i dun know wats wrong wit my code.....i would like to search the date which located between 2 date time picker and make it goes into print preview.
Dim CustomerFound As Boolean = False
Dim daterange As String
daterange = "[Date of Booking] >=#" & Datetimepicker1.Text & "# AND [Date of Booking] <=#" &
[code]......
I would like to select transaction id based from its creation date. All transactions are displayed on form load event on a datagrid. The select function should be executed on 2 datetimepicker (the first should be the start date, the last should be the end date).So there are three controls on a form, 2 datetimepicker and a datagrid. I managed to load all transactions into a datagrid, and managed to select/filter those transaction based on id, but not date.the table is called 'transaction_details', it contains 'transaction_id', 'transaction_date', and few other columns. transaction_id is the primary key.
View 2 RepliesI am trying to bind an Access database to a MSChart control in VB Net 2008. I have a test database populated with four fields SAMPLE-DateTime, Values-Number, MAX-Number and MIN-Number. I'd like to only display the rows that fall within a specific date range but I'm running into a problem when i try to execute the following command:
cmd = "SELECT SAMPLE,VALUES,MAX,MIN FROM TABLE1 WHERE [CHECK_DATE] BETWEEN 01/01/2009 AND 01/01/2011"
code CrystalReport by two DateTimePicker but get error "Mismatched data types in criteria expression"
This is the code
Private Sub btfechascrystal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btfechascrystal.Click
[code].....
I'm wanting to loop through a range of dates set by date time picker. This is my code and as the SD.Value.Date is 23/05/2010 it shows Sunday for me. However on the Loop it keeps showing Sunday and Never stops.
Dim SD As Date = StartSearchDate.Value.Date
Dim ED As Date = EndSearchDate.Value.Date
Do While SD.Date <= ED.Date
MsgBox(SD.DayOfWeek.ToString)
SD.Date.AddDays(1)
Loop
Have a column of dates which i need to compare to a specific time of the year, which establishes what calculation needs to be applyed then depending on the outcome apply conditional formating to highlight an adjcent cell, but need to remove the YY element as the contents spans multiple years.
if the date in A1 is between 1st Jan & 14th Mar use -8
if the date in A1 is between 15th Mar & 15th Oct use -17
if the date in A1 is between 16th Oct & 31st Dec use -8
Then deduct the above value from B1 to give a target for each row (from 3 onwards)if the target is < the value in n then change background orange in f
I have a calender which highlights the selected date from the database. It currently highlights the start date only...I would like it to highlight the range of dates (start date - send date)[code]I think the query and where statement used is not pulling through the correct information but not entirely sure where or how to correct it ...
View 1 RepliesI have to display all days base on a date range. For example my date range is "January 1, 2011" to "February 28, 2011". Now what i want is to display all the dates base on that range, what i meant about "display the dates" is like this.
January 1,2011
January 2,2011
January 3,2011
[Code]....
I have a calender which highlights the selected date from the database. It currently highlights the start date only...I would like it to highlight the range of dates (start date - send date)
My current code as follows:
Function GetCurrentMonthData(ByVal startdate As DateTime, _
ByVal enddate As DateTime) As DataSet
[code].....
I have three tables,
Products(ProductID, ProductName)
Orders(OrderID, OrderDate)
OrderDetails(ProductID, OrderID) Junction table between Products and Orders.
For example, there are Three ProductID in Products table A01, A02, A03
Four OrderID in Orders table
1. 01/01/2009, 2. 03/01/2009, 3. 05/01/2009, 4. 07/01/2009.
OrderDetails data as below:
A01 -- 01/01/2009
A02 -- 01/01/2009
A01 -- 03/01/2009
[Code]....
then I want to display the date that A03 is not ordered from range 02/01/2009 till 08/01/2009 which could have the result like this.
DateMissingOrder for Product A03 in range of date 02/01/2009 to 08/01/2009:
03/01/2009
07/01/2009
How can I do this in LINQ to SQL Visual Basic?
I have the following code to select records from an access table based on a date range. The user is required to select a week ending date (Saturday) from a datetimepicker field.The date field in access is formatted as short.The values in the database range from 12/04/2009 to 2/05/2009. When I select datetimepicker as 2/05/2009 (i.e. 2 May 2008), no rows are returned. Following is the resultant sql statement:
show: Select * FROM Work_Time WHERE WorkerID =1001 AND (WeekDate >=#26/04/2009# AND WeekDate <=#2/05/2009#)
However, if I select datetimepicker as 25/04/2009, the correct numbers of rows are returned. Following is the resultant sql statement:
show: Select * FROM Work_Time WHERE WorkerID =1001 AND (WeekDate >=#19/04/2009# AND WeekDate <=#25/04/2009#)
Private Sub btnGetTSData_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGetTSData.Click
Dim dSelect As Date
dSelect = dtWkEnding.Value
[code]....
I 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] ......
I am pulling data from a SQL server database into a dataset. The date are a DateTime type:
[Code]...
I can see the data in the field reads: 2011-09-09 15:56:29.667. I have tried to convert this by adding convert(varchar(10),DateFrom,103) which results in 09/09/2011 and then Custom Formated the DateTimePicker but still no success.I think I might be going completely off track here so can someone guide me on where I am going wrong here or the best way of doing this
I'm receiving an error when trying to query a range of dates from a MS SQL DB in MVC Entity Framework. Unable to cast the type 'System.Boolean' to type 'System.Data.SqlTypes.SqlBoolean'. LINQ to Entities only supports casting Entity Data Model primitive types. This is our query:
[Code]...
In my fresh installation of Visual Studio Professional 2005 Visual Basic I have typed this code
dim olddate as date
olddate=datevalue("01-01-2006")
I receive an error: index out of range exception
On an other pc with the same fresh installation this do not happen. Why ? I have tried with other funtions : ctype, cdate but I receive the same error, while on an other pc this code is fine.
I need to pass date range parameters to a crystal report from a vb.net application, but I don't know how to. I have a crystal report that pulls data from an oracle database. In the database, I have a table of students, and each record has a birth date, name and surname. I need to display on the report only records where the birth date is between date X and date Y inclusive of both. Date X and Date Y are dates passed on the vb.net application when opening the report. I am using crystal reports 9, visual studio 2008 and oracle 9i.
View 1 RepliesI have an ASP.NET Calendar control on my web form.I have defined a date range with a StartDate and an EndDate and now I need to make all the days in between (including the StartDate and EndDate) red.
View 1 RepliesI'm having the following error message with a date value in production server. "The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value" In the development server the problem never happened. Both production and development servers have the same OS (Windows Server 2003), updates and settings including the regional settings options. The regional options is set to Arabic (Saudi Arabia) and the date is customized to use (English) gorgerin calendar. The non-Unicode is set to Arabic (Saudi Arabia).
My solution contains an ASP.NET web application and a class library. In my class library project I'm trying to get a list of rows from the database (SQL 2005) and I'm using a date rang [Code] Is there a way that I can use to manipulate dates regardless of the regional options settings?
I use the above code to restrict the user to enter the past date. but i am getting this error message
If NewBookingDataGridView.Item(3, 3).Value.ToString() < Now.Date.ToString() Then
MsgBox("you are trying to save records of past date.")
error is ** Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index**