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sir i am new in this technique can u plz explain it more kindly refer if u have any documentation. i want to create also an admin account and also contain regular account.

the error is incorrect syntax near 'm'

how to use datediff in my query to get the difference between two time form the table i wrote a query but its may have some errors and not working Select [Date],[TimeIn], [TimeOut], DateDiff(m, TimeIn, TimeOut) as Duration from [dbo].[Logs] WHERE PhoneNo = '"+lblphoneno.text+"'" i am...

sir i am new in here i got an error when i try to search a phone no from the database the error is "conversion from string phoneno to type integer is invalid the phoneno with type nvarchar(11) and the code is Dim Con As SqlConnection = New SqlClient.SqlConnection("Data...

sir i change my code and use the paramerized method in my new code the code is working fine and i was searching in wrong place in database file . at last i found on internet that the copy of database file is updated each time when the application runs because application copy the origional...

sir i have studied your link thoroughly and undertant it now plz tell me that in my project i didnot allow to create a copy of database file . is that making error and not working i f yes then tell me how to remove the database securely so that again i can create a link to my application . i...

Code>DsSecretsUp1.Secrets.AddSecretsRow(newrow)</Code> this function is taking a parameter newrow and functon creating a new record in dataset by using this line i m calling the function to execute and make changes in dataset after this in if statement command i am checking the change by...

Sir I only place the SQLDataAdapter on the form and Create a DataSet for my formlogin and i think these functions built in the DataAdapter (SqlDAUp in the my code) i did not wrote seperate functions for update and updateall you are asking to check the function returning value of these...

how to check the succeded call of tableadaptermanager on the following lines i found this If Not DsSecretsUp1.GetChanges(DataRowState.Added) Is Nothing Then SqlDAUp.Update(DsSecretsUp1.GetChanges(DataRowState.Added)) End If I drag the mouse on the datarowstate.added it...

thanks for correction for naming that i am using SQL Server Express. bro i am new in programming so plz i request to neglect my mistakes here i study your shared link and the same i study from a dot net book i successfully using this technology and retrieving data on the DataGridView on the...

i am using compact sql server (come to know by a friend about it ) i place a sqldataadapter on the form and then create a connection (the address is given below with sqlcon1) and also create the dataset (dssecretsUp)which i used in coding of sign up form. and the connection string is the...

i create my database in Microsoft Visual studio 2010 ultimate using server explorer menu and i dont know either it is sql server express or something else

hi i am newbie in knowledge and also beginner in vb.net and it is my second question here i am trying to make a software where users will register and then log on using their id on the sign up form i plced some textboxes to get the user data and through code i successfully create a new user...

thanks bro i was googling with useless keywords thanks agian

yes bro i am asking for an unbound column. and that will be a calculated dynamically from the two columns coming from the database and by using database terminalogy it is a derived attribute just like age which can be calculated from the DOB (Date Of Birth). you got my point in last two lines...

i have added a column named Duration using the porperties but now unable to program it to display the time period plz tell me?

hi me new in this forum and got a problem plz tell me how can i add a custom column that is derived form the other two columns of the datagrid view in my datagtidview ther are 4 columns named" User ID, Tate, Time in, Time out" and now i want to add a column named "Duration" which will display...

hi i am developing an application in which i will connect the cell phone using the com port and will fetch some data from the cell phone now i have successfully coded that can detect the comports in the system but i dont understand how to detect the cellphone that is connected on the com port...