SQL Server :: Comparing Datetime Field In DB?

Sep 7, 2010

I need to check the datetime field in my DB to see if the time that's current set is 12hr's past?What's the command to use? Can I just DATEDIFF?

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Nov 17, 2010

I am a c#/asp.net developer and I am having to work on a VB/asp.net. I started out with VB.NET but after years away from it I'm getting confused with the syntax.

I have two variables

Dim originalDate as DateTime?
Dim newDate as DateTime?

Both nullable datetimes, originalDate is a nullable date I am getting from the database and newDate time is set in code, I need to compare them, they can either both have dates, neither have dates or one have and one not.

I have a bit of code as follows:

if origEndDate = origEndDate then

When both origEndDate and origEndDate are "nothing" this statement is false (well when I run it in the watch window it comes back as nothing)!

I don't understand why this is the case because I was under the impression doing an "=" compares the two values and as they are the same surely it should be true?

What syntax should I be using as in C# I can do the above as so:

if (origEndDate == origEndDate) { }

and it will come back as true.

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Oct 1, 2010

Using SQL Server 2005.

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Nov 27, 2010

i have one data base field called CreatedDate whos Type is DateTime. Let say i have following Data in this Field

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Could someone giving me the correct T-SQL query to update the Date part from a DateTime field?

To be more clear:

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I want to read date field from Excel sheet and insert it into SQL Server2005.When I read date field it gives me a number say '40160' when the date feild is "08/01/2010"

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Dec 6, 2010

I am REALLY new to ASP.NET MVC, and it is alien to my way of thinking.In my project, I have managed to get as far as allowing the user to add, edit or delete entries from a table. What I want to do is ensure that a specific field (i.e. "Tank_Number") does not get duplicated. What is the correct way to implement this?

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[Code]....
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[Code]....

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SQL Server :: Converting Mysql Datetime To Sqlserver Datetime C#?

Nov 15, 2010

I am trying to get data from mysql database and store in sqlserver database. i am getting the following error

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I have a date/time stored in a smalldatetime field (ms sql 2005) that i want to compare with the current time and receive a difference. If the difference is less than 30 minutes, do this....if more do that....

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Jan 22, 2010

I have a gridview, which on the row data bound method that inserts a row when comparing values on a particular field. If the two values are different, a new row is inserted, if not no row is inserted. This coding is working as a grouping gridview, and is working correctly. However, I have problem, and problem is counting the rows between each group, which I want to display in my blank row between each group, the value of which I am holding in a hiddenfield.

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Apr 7, 2010

I retrieve the date & time from datetime field in sql using a reader:

[Code]....

This value returns e.g. 15/04/2010 8:00:00 but I would like to split the day value (15), month value (4) etc from the overall datetime value, so I can assign dropdowns with corresponding (preselected) day, hour selection ..I know the dropdown assignment process, but I can't get the datetime field/value split ..

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MVC :: Use TextBoxFor With A DateTime Field (in Particular - Add HtmlAttributes)?

Apr 9, 2010

I'm having a problem understanding how to use TextBoxFor with a DateTime field (in particular how to add htmlAttributes). MVC has helpfully scaffolded the following for me:

[Code]....

I now want to add an htmlAttribute to this, to make the rendered <input> element read-only, for example:
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I am using and EntityDateSource and I add where condition to filter the data at runtime and then bind the grid to the dataSource, but I am getting following error:-

The argument types 'Edm.DateTime' and 'Edm.String' are incompatible for this operation.

Search condition looks like this:-

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I have two fields i.e. StartDate(Datetime) and duration(number)., I am trying following

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Im trying to use the following SQL statement to find every row in Orderable Test List where there is not a row in Results Individual Tests that has a matching entry in the TESTHISCD column. When I run the page everything freezes up.

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I am trying to compare a login textbox password and username with a custom validator using linq to get information from the database it always returns false though on the validator where my code below is going wrong.

protected void LoginValidate(object source, ServerValidateEventArgs args)
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[Code]....

I dont know where I am going wrong I know its most probably some sort of silly mistake and me being inexperienced at this...

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SQL Server :: Comparing String To Varchar?

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[Code]....

[Code]....

I've checked that the values really are identical in the debug. I was under the impression that no conversion is neccessary between string and varchar, but maybe I'm wrong.

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Web Forms :: Formatting Datatable Datetime Field?

Sep 18, 2010

I am getting an error message:Conversion from string "mm/dd/yyyy" to type 'Integer' is not valid.

What is best way to format date filed from datatable without showing the time?

ClosingDate is smalldatetime in my SQL DB.

[Code]....

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C# - Get Date From Datetime Field Mysql Query?

Dec 24, 2010

I want to fetch date from a datetime field, when i select this field in database i get the result as 'yyyy-mm-dd hh:mm:ss' i want the result to be like dd/mm/yyyy

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//***to get next date
string nextdatequery = "SELECT next_dt
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Web Forms :: How To Display Sql Datetime Field As Text

Jul 23, 2010

how do i display a datefield field e.g. 07/27/2010 08:00:00 as Tuesday, July 27, 2010? (i want the time part but i couldnt find any fucntions that display the date in text mode?)

I am creating a SQL procedure and need to read the data back into a gridview in that format.

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Check Whether The Datetime Control Field Is Empty?

May 17, 2010

I have a sharepoint datetime control named date. Now how can i check whether the the field is empty or not;

i have the following code
if(date.ToString() != "")
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i did not enter any date in that field but the above code is always executed.

it always have the current date.

How can i assgin empty string to selectedDate propert of Sharepoint DateTime Control?

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