C# - Count Of Days Intersecting Between Two Date Ranges?

Jun 3, 2010

Would anyone have any ideas of how to best calculate the amount of days that intersect between two date ranges?

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Summarizing Quantity Using 2 Separate Date Ranges

Mar 10, 2011

Perhaps someone has done something like this before. I am generating a quantity summary report. The quantities have to be summarized in two ways:A quantity for a specified date range, which can fall anywhere within the project duration defined by the user provided UserStartDate and UserEndDate A Quantity to date, defined by the ProjectStartDate till the user defined UserEndDate So if I put all these dates in sequence it would look something like this: ProjectStartDate, UserStartDate, UserEndDate, ProjectEndDate Right now in the code the User specified dates are vStartDate and vEndDate. The source data (list of bid items) is compiled in a UNION query (SqlServer View) and I am querying from this view using a stored procedure from which the data is captured using the code below.

Public Shared Function GETeFieldQuantityData( _
ByVal vProjectNo As String, _
ByVal vStartDate As DateTime, _
ByVal vEndDate As DateTime) _
As IEnumerable
' Dim SqlConnection, SqlCommand, and SqlDataReader
Dim vSqlConn As SqlConnection = New SqlConnection(GetConnString)
Dim vSqlCmd As SqlCommand = New SqlCommand("eFieldReturnQuantitySummary", vSqlConn)
'Dim vDataRdr As SqlDataReader
vSqlConn.Open()
'Construct parameters
vSqlCmd.Parameters.AddWithValue("@StartDate", vStartDate)
vSqlCmd.Parameters.AddWithValue("@EndDate", vEndDate)
vSqlCmd.Parameters.AddWithValue("@ProjectNum", vProjectNo)
vSqlCmd.CommandType = CommandType.StoredProcedure
'Return SqlDataReader Object
Return vSqlCmd.ExecuteReader(CommandBehavior.CloseConnection)
End Function
And the SELECT statement returning data to the form:

Code:

SELECT BidItemDesc As [Bid Item Description], Unit,
SUM(Qty) AS [Tot Qty], COUNT(*) AS Records
FROM dbo.qryQuantityWorkSheet
WHERE ((ProjectNum = @ProjectNum)
AND (ProjDate >= @StartDate)
AND (ProjDate <= @EndDate) )
GROUP BY ProjectNum, BidItemDesc, Unit
ORDER BY BidItemDesc

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Web Forms :: Chart Showing Reslults From Two Date Ranges?

Jun 21, 2010

I remember seeing an example explaining how you could setup the asp.net chart control to show two sets of data from different date ranges on the same chart, but I can't find it now that i need it.It showed sales for Jan, Feb Mar 2009 in one series and sales for Jan, Feb, Mar 2008 in another series and had the chart in 3D so that one series was in front of another.Does anyone know of such an example or have any pointers how to achieve it?

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Oct 13, 2010

i am working on an availability / booking system, one element in the form will be a dropdownlist control with a selection of date ranges for a customer to select the period they want to book.these will be a list of ranges for each week (monday - sunday)eg

27th Sep - 3rd Oct 2010
4th Oct - 10th Oct 2010
11th Oct - 17th Oct 2010

etc

is there an way to populate this dropdownlist dynamically from a calendar or date function so it can cater for dates up to 18 months ahead?i dont really want to populate it from database entries or hard coded list items if there is a less laborious way.

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Forms Data Controls :: How To Calculate 60 Days From A Given Date And Show That Date

Jun 15, 2010

I have a formview. Inside, there is a textbox where user can input a date(txtAccepDt). Then the user will choose one item from a radiobutton list which has values like 60 days, 90 days and 150 days. If the user select the 60 days I need to add that to the Accept date and show it in a abel(lblShowFrstOp). Same will apply with other two day

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Data Controls :: Determine Date By Subtracting Days From Current Date Dynamically From TextBox

Jan 17, 2013

in my asp.net_vb code web. there are 9 textboxes whcih is used for entering numerical/dates

first is lve.text in whicj numder is entered

second one is lvefrom.text

thirdone is lveto.text

when user fills (lve.text) 5 and enter 15 Jan 2013 in lvefrom.text then lveto.text should show 19 Jan 2013. i had posted this earlier and got reply which is mentioned below. this code below gives me 20 Jan 2013 instead of 19 Jan 2013.

tw text boxes lve.text (number filled) and lve from.text (date filled). when user enter a numder in lve.text and select a date fro date picker in lvefrom.text then lveto.text should show date selected in lvefrom.text + number of days in lveto.text (eg if number of days is 5 and date selected in lvefrom.text is 15 Jan 2013 then lveto.text should display 19 jan 2013. because the starting day is also counted in my case.

Protected Sub lvefrom_TextChanged1(ByVal sender As Object, ByVal e As System.EventArgs) Handles lvefrom.TextChanged
Dim ObjLocDate As New Date
Dim IntLocDays As Integer
IntLocDays = Convert.ToInt32(lve.Text)
ObjLocDate = lvefrom.Text
ObjLocDate = ObjLocDate.AddDays(IntLocDays)
lveto.Text = ObjLocDate.Date.ToString("dd-MMM-yyyy")
End Sub

fourt tex box is pfx.text, fifth is pfx1.text, sixth is pfx2.text

when use filles pfx.text 3 then pfx1.text should display 12 Jan 2013 and pfx2.text should display 14 Jan 2013. these are the prefix for leave( as 12 to 14 Jan 2013 is prefix.seveth is sfx.text, eighth is sfx1.text and nineth is sfx2.text

when user fills sfx.text 3 then sfx1.text should display 20 Jan 2013 and sfx2.text should display.

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Aug 4, 2013

How to filter Max or min value from gridview data which is bind with sql datasource.

Like I give date range from and to all the data popup in gridview then I have dropdown with 2 values Max and Min. If i select max so max value from payment column gridview shows and if I select min so min values from payment column shows.

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Web Forms :: Calculate Date Then Countdown Days To That Date?

Jan 8, 2010

I have a date such as 1/10/2010, I need to count out 9 days (weekends included) and then show how many days are remaining to that date.

what is the best way to do this?

so start date is 1/10/2010

9 days from that is 1/19/2010

so if today is 1/12/2010 I need to show the user they have 7 days to complete their task.

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VS 2005 Count The Number Of Days In Selected Calendar?

Jan 13, 2010

I want to count the number of days from selected days.I am having 2 calendar control on the form.I am selecting a dates from each calendar and passing values to textbox1 and textbox2.Suppose i am selecting 13/01/2010 from calendar1 and 18/01/2010 from calendar2. I want to count the number of days and display as 6.

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i need to know 4 days(date) before the validity expire .how to calculate the 4 days before date of the validity expire date 02-05-2010

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SQL Server :: Returning A Date With A Count Of Zero If It Doesn't Exist In The Date Range

Oct 9, 2010

i have the following query.

[code]....

but if there were no "hits" for a particular date range in the last week i only get the dates returned where there were hits. i need to get all the days returned and where there were no results, i need a zero returned.

hitdate hitsperday

2010-10-07 2
2010-10-06 58
2010-10-04 1645
2010-10-03 1192

what i need to return is this:

hitdate hitsperday

2010-10-08 0
2010-10-07 2
2010-10-06 58
2010-10-05 0
2010-10-04 1645
2010-10-03 1192

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Total Number Of Days From The Selected Date?

Jan 11, 2010

I am creating a leave form for employee where i am using datetimepicker to select date from, to etc..

from that i have automatically calculate the no of days and display in an textbox.. for eg: From date:06/01/2010 To date:08/01/2010, if u select like this, i have to automatically calculate the no of days between that and display in a seperate texbox as 2.

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Nov 11, 2010

How can i send an email certain days from now in C# (Win Forms). Say today is January 1 2010. Now i fix an appointment with doctor on January 10 2010. But i wish that a reminder email (regarding appointment) needs to be sent 3 days before (i.e. January 7 2010). I am having an email code with me.

My requirements: Visual Studio 2005, C# (vb would also do), WinForms (Windows based applications)
Let me know if anything from me is needed.

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Apr 21, 2010

I have a scenario where i want to find the date by subtacting 8 business days from today's date. Suppose if today's date is 04/21/10 .Now i want to show the date to be 04/09/10.Weekends should be excluded.

For Example.
If today's date is 04/21/10

Subtract Weekends :
Saturday- 04/10/10 ,04/17/10
Sunday-04/11/10,04/18/10
[code]...

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Mar 30, 2011

I have projects table which have project starting date and end date in datetime() format.every project have some report day which is friday and saturday(which is fixed),the problem is i want to show which project is falling in this week's reports, i think i have to compare project starting date and ending date with this week dates...so i have create function in sql to get week date... but i don't know how can i show...i am totally confused

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Oct 11, 2010

have two text box on which I give two date input by using rapid application development datepicker textbox. I have another text box on which I wanna show the duration of those two text box date. I want to calculate total days of those to date.

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Store Date 4 Days Later Than Current Date And Then Store In Database

Jun 19, 2012

If I select the today date

Then I want store 4days later date in the database

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Finding Number Of Days Until A Date, Excluding Weekends

Feb 4, 2011

I want to display the number of days left until next friday, but not counting Saturday or Sunday.

For example, the following would display the number 7.

[Code]....

[Code]....

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VS 2008 Want To Fill In Textbox2 With A Date That Is 90 Days Greater?

Jun 1, 2010

After the user puts a date in textbox1, I want to fill in textbox2 with a date that is 90 days greater. Looking to do this without a postback.

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Mar 25, 2010

I am trying to get all records 7 days from the Purchase date field using this query:

SELECT DATEADD(dd, 7, dtPurchaseDate) FROM CustomerProduct

This doesn't seem to work because it is giving me dates from 2002, 2003, etc. What am I doing wrong.

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Jun 16, 2015

How to construct a code in vb.net on how to Calculate Number Of Days Between DateNow minus given date In VB.NET ...

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Web Forms :: How To Find Number Of Days Between Start And End Date

May 7, 2015

i am using timspan to find number of days between dates

protected void Page_Load(object sender, EventArgs e)
{
TextBox3.Text = DateTime.Now.ToString("dd/MM/yyyy");
}
protected void Button1_Click(object sender, EventArgs e)
{
con.Open();
SqlDataAdapter adp = new SqlDataAdapter("select * from rent_books where isbn='" + TextBox2.Text + "' and member_id='" + TextBox1.Text + "'",

[code]...

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Web Forms :: Selected Date - Get Previous Weeks Dates And Days?

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How do I get the previous two weeks days and dates from a selected date.

E.g. The Selected date is 19 February, 2011. I need to figure out Sunday Feb 6th, through Saturday, Feb 19th. This includes the dates and their days of week.

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SQL Reporting :: Matrix Date Columns Are Showing Duplicate Days?

Dec 17, 2010

I am building a report using the Matrix for the first time. It's showing duplicate days across the columns and I can't figure how to filter so that a unique day appears.

I have 2 row groups, quality_code and product_name, and 1 column group repair_dt. In the Date column I showing count of serial_id - associated with product_name this is what I am getting

12/15/2010 12/16/2010 12/17/2010 12/15/2010 12/17/2010
code A
product 1 1 2 0 0 1

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i have a dropdownlist in my asp.net+vb web. i want to display  current date and 5 previous dates.(eg if today is 12 jan 2013 the dropdownlist should display 08 Jan 13 to  12 jan 13. my code is in vb

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