how to get all dates from database of a month

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i want to select all dates from db using query like

C#

string sql = "select * from   tblVehicle where CAST(floor( CAST( Vehentrytime AS FLOAT ) )AS DATETIME) = '" + myDate + "" + "'";

but i want my dates to be selected for a month which means i have to neglect the day value
my string holding datetime is

C#

string myDate = System.DateTime.Now.ToString("MM/dd/yyyy");

this works fine for above format but if i have to do selection of a month or last month or year how can i do this
please provide with the code
with regards bishnu karki

Posted 3-Nov-11 1:19am

vishnu karki

Updated 3-Nov-11 1:31am

Tejas Vaishnav

v4

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3 solutions

Solution 2

Hello friend use this query for your solution....

SQL

SELECT * from tblVehicle WHERE cast(month(CONVERT(datetime,Vehentrytime ,3)) as varchar(4)) = '11'

and pass your month from your code to get thats month records....

here i have give '11' as a month of november so as per your requirement you can pass your parameter value.....

i hope this will resolve your problem...

Posted 3-Nov-11 1:47am

Tejas Vaishnav

Solution 3

If you want to search for a particular year do this :

C#

string myDate = 2011 ;
string sql = "select * from   tblVehicle where DATEPART(yy, CAST(floor( CAST( Vehentrytime AS FLOAT ) )AS DATETIME)) = " + myDate ;

If you want to search for a particular month do this :

C#

string myDate = 2 ; // for February for example
string sql = "select * from   tblVehicle where DATEPART(mm, CAST(floor( CAST( Vehentrytime AS FLOAT ) )AS DATETIME)) = " + myDate ;

and read this :
http://msdn.microsoft.com/en-us/library/ms174420.aspx[^]

Hope it helps.

Posted 3-Nov-11 2:07am

Amir Mahfoozi

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P.Salini · Accepted Answer · 2011-11-03T01:29:00

Solution 1

Try this

C#

string sql = "select * from   tblVehicle where Month(CAST(floor( CAST( Vehentrytime AS FLOAT ) )AS DATETIME)) = " + Convert.ToDateTime(myDate).Month ;

Posted 3-Nov-11 1:29am

P.Salini