.net SQL Checking Dates?

Mar 28, 2011

Basically, I have a list of dates in a SQL table with some statistics next to each of them. I want to compare the dates in the table with a certain date I choose. However, my dates in my table are stored as Varchar(50) (and have to be). Apparently I can convert the date in the table into date type but I don't know. Does anyone know how? My current code can be seen below.

[Code]...

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Checking For NULL Dates In SSRS Custom Code Function

Feb 7, 2012

I am trying to implement a function for my SSRS report which will return a color value depending on the values of three dates.

[Code]...

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Checking For NULL Dates In SSRS Custom Code Function?

Jul 7, 2009

I am using following code in rowdatabound fn.

Protected Sub gvwMileStone_RowDataBound(ByVal sender As System.Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs)

[code]...

ddlEProjectLevels is dropdownlist in edititemtemplate.Whwn i click edit in 1st row ddlEProjectLevels gets loaded with data from database.But in 2nd row dropdownlist does not contain values.Again in 3rd it gets loaded from db.Means in alternate rows,when i click edit dropdownlist(ddlEProjectLevels) doesnot load values.Can anybody help?

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VS 2008 How To Print All Dates Between These Two Dates In One Listbox

Feb 20, 2010

I have two dates. [code] How to print all dates between these two dates in one listbox, for example: [code]

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Calculating Between Dates Based On Two Dates?

Jan 12, 2011

Say the user specifies these two dates....

Start Date: 2010-12-05
End Date: 2011-01-15

If I select December 2010 I should get the folllowing

startdate = 2010-12-05
enddate = 2010-12-31
Select January 2011 then
startdate = 2011-01-01
enddate = 2011-01-15

Should I subtract dates? How can I get the start and enddate for the current month/year based on the overall start and end date.I'm coding in vb.net.

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Set The Start And End Dates For A Range Of Dates?

Oct 2, 2009

I'm using two datetimepicker controls to set the start and end dates for a range of dates I'm searching for.I want to make sure that the start date selected is not greater than the end date. This code works, but it runs the messagebox prompt twice for some reason. I've tried to ignore it from doing this, but it's not working. Can someone tell me what's wrong?

Private Sub dtpStart_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles dtpStart.ValueChanged

[Code]...

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VS 2005 - Boolean Checking - Better Performance By Checking For A True Value

Aug 4, 2010

Is there any better performance by checking for a true value like this:

[CODE]..............

Than like this:

[CODE]..............

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Bold Some Dates The Program Doesn't Show Bold Dates On Month Calendar?

Dec 15, 2009

I have one more problem with MonthControl.And when I bold some dates the program doesn't show bold dates on month calendar.When I move on next or previous month and get back to currently month the program normal displays bold dates. What's the problem?

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Add Dates To Different Rows

Jun 10, 2011

I have a order item form with a datagrid I want to add dates to different rows i.e. if the 1st row i order a cheese sandwich in that row I am able to insert a date in the correct cell. I want to be able to insert dates in the other rows with different order items. I have this code below and I want to do a loop back for it.
[Code]

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Asp.net - How To Compare Two Dates

Oct 7, 2011

We would like to compare a date from the db with current date. Here is what I have tried so far: 'Obtain current date Dim curdate As String = Now.ToString("yyyy") 'Now compare curdate with date from db called eventdate. Event date is of dateTime datatype. If drv("eventdate").ToString = "" And Year(drv("eventdate").ToString) = curdate Then

[Code]...

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Convert Dates To Dd/mm/yyy

May 27, 2009

I'm having some trouble. I have an sql statement to update some rows to an Access DB I enter a date like 01/08/2009 (1st Aug 2009) and it saves to my DB as 08/01/2009 (08th Aug 2009 but still 01 Aug if it were mm/dd/yyyy format)

I've got:

Dim

dp As Date = Format(Me.tdate.Text, "dd/MM/yyyy")

Dim

strsql1 As String = "INSERT INTO TANKERS (REF, TDATE, TTOTAL) VALUES ('" & ref & "', #" & tp & "#, " & ttotal.Text & ")"


How do I just get the textbox that says 01/08/2009 to save as that and not 08/01/2009 in my DB.

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Dates In My Database Become 0 Or -1?

Mar 31, 2012

My textbox6 represents the dateprinted of my asssessment form.. i code it like this :

TextBox6.Text = My.Computer.Clock.LocalTime.Date
then in the my SAVE Button coded like this :
Dim cn As OleDbConnection

[code].....

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Difference Between 2 Dates

Feb 28, 2012

I am trying to find the difference between two dates. The first of the two dates can be changed and when it is changed, the difference between the original dates has to be retained. This means that I have to automatically change the second date to have the same difference in days as it did before, but with a new first date. [code]I have the value of the old date1(currDate) and the new date1 value(newDate). I need to get the difference between these, and then add or minus these days from the endDate.

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Filter Between Two Dates

Aug 15, 2011

i have two DatePickers on form and I want filter between two dates. So when i click search in lsitview display the dates between can anyone tell me how to deal with?

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How To Calculate Day Between Two Dates

May 20, 2012

I have 2 textboxes, txtStartDate.Text and txtEndDate.Text, user choose date through calendar date picker. Now I want to count the days between the two selected date and save the result in the database field totalDay(type integer), the following is my code: But when I click button and try to save it into database, I receive this error:
The version of SQL Server in use does not support datatype 'time'.

Imports System
Imports System.Data
Imports System.Data.SqlClient
Imports System.Threading
Imports System.Globalization
[Code] .....

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Retrieving Dates From SQL?

Mar 1, 2011

how come when I retrieve my data from SQL my date field returns the date along with a time of 12:00:00 AM???? The Sql BD Type is Date and it is a date only in the SqlDB. I'm populating the date into a textbox.

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Sql - Difference Between Given Dates?

Jul 20, 2011

I have a sqlce database table that I am entering data every day.

Date No Meter_1 Meter_2 Meter_3
12-05-2010 1 1234 3456 4567
12-05-2010 2 3423 4567 0987

[code]....

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SQL Between Two Dates With Access?

Nov 29, 2011

I have an SQL statement that I am trying to use to connect a vb.net program to an access database.I am using to date/time pickers to provide the dates. I have searched around and the various changes I have made to the statement have not returned any results.For what its worth this query works ok within access:

SELECT * FROM tblcallLog
WHERE startDate Between #" & dspstart.text & "# AND #" & dtpend.text & "#"

here is the entire click event, per @ajax81's request

enter code here

Private Sub btnDateUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDateUpdate.Click
grpT2DateRange.Visible = True
grpT2SingleStaff.Visible = True[code].....

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Using Dates In A For, Next Loop

Feb 20, 2009

Why can't I do this?

For myDate As Date = startDate To endDate
Next

where startDate & endDate are Date types. It tells me 'For' loop control variable cannot be of type 'Date' because the type does not support the required operators. Is there another way to loop through dates?

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While Loop With Dates?

Dec 13, 2008

I am trying to do a while loop with dates but I an getting an error:Here is my loop:

Dim SDate, EDate, iDate As
Date
Dim DateString
As

[code]....

Here is my error:

System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.

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.net - Insert A Time Between The Two Dates?

Feb 7, 2010

Using VB.Net and SQL 2005

Table1
Name FromDate ToDate
Sched1 20091201 20091231
Sched2 20090515 20090613
...,

In table2 i want to add a time for a date between the FromDate and ToDate

Table2
Name Date StartTime EndTime
Sched1 20091201 080000 120000
...,

In my application am using "AddTime" Button. In the click event i want to write a code for adding the time for the dates.When I click ADDTime Button. It should check the max(date) in table2. Then it should show the next date of the max(date) in table2.For Example Select max(date) from table where name = 'Sched1'. It should show the next date means 20091202. because 20091201 Data is there. There is no data in table2 for Sched2, So It should show the StartDate 20090515 from table1.How to make a code or query for this condition?

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Asp.net - Compare Two Dates In Whether They Are Equal Or Not

Dec 28, 2011

I have a Date variable startdt and a String variable hdnsdate. Suppose if startdt has the value in the form 3/1/2012 and hdnsdate has the value in the form 03/01/2012. Than how can i compare that these two dates are equal in vb.net. In if condition of my program i want to do this check. In case the two dates match move out of if loop otherwise go into the if loop. E.g A sample in C# what exactly i want.

[Code]....

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C# - Days Difference Between Two Dates

Feb 24, 2010

I've been trying many ways to calculate the round number of days between two dates, I mean, counting the whole days. An example of what I need:

[Code]...

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C# - Difference In Months Between Two Dates

Jan 9, 2011

How to calculate the difference in months between two dates in C#? Is there is equivalent of VB's DateDiff() method in C#. I need to find difference in months between two dates that are years apart. The documentation says that I can use TimeSpan like:

[Code]...

but this gives me data in Days. I don't want to divide this number by 30 because not every month is 30 days and since the two operand values are quite apart from each other, I am afraid dividing by 30 might give me a wrong value.

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Calculate The Difference Between Two Dates

Dec 18, 2010

i have this function and i want it 2 calculate the difference between two dates and it is suposed to return the difference in days but it it just not working

[Code]....

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Changing Dates On A Code?

Sep 18, 2010

iv been looking at this code and basically what the code does it runs a report every month, but I want to make some changed to it i.e. how its laid out within the PDF document for testing this I don�t want to run the hole report because it will take forever as you can see it starts lowerDate = "01/JAN/1900" And for testing ideally I just want to run last month so am I right in saying if I change the date from 1990 to 1/8/2010 and then change upperDate = Format(Date.Now, "dd/MMM/yyyy") TO upperDate = Format(Date.Now, "31/08/2010") would that work?

Imports MSXL = Microsoft.Office.Interop.Excel
Imports System.Configuration.ConfigurationManager
Imports System.Xml

[code]....

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Compare Dates With ASP.Net And SQL Express

Feb 9, 2011

I have an aspx page that has link button that accesses a table from a database.

Each link will pull different results from that database.

Every link however needs to compare dates.

i am having problems figuring out how to pull the correct data.

For Example one of the links, pulls data from the database that is 3 months old or less.

However the SQL statment i use seems to pull all records that are greaters than the days. e.g.


SQL Table
Table Name(dateList)
-------------
no | dates

[Code].....

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Comparing Two Dates: Less Than Or Greater Than?

Mar 5, 2009

How to compare Two Dates if it is Less Than or Greater Than?? I want to know the code that shows an msgbox "Date Past" if the date in a datepicker is already past.

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Counting Rows Between Dates?

Oct 30, 2009

Compute("COUNT([SoldDate])", "[SoldDate] >= #" & DateTime.Today.ToString() & ateTime.Today.AddDays(180).ToString & "#") get the following error:
tring was not recognized as a valid DateTime.

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Datatype Available In VB That Can Be Used To Store Dates?

May 1, 2009

is there a datatype available in visual basic that can be used to store dates?

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