help me. System.InvalidOperationException: 'ExecuteScalar requires an open and available Connection. The connection's current state is closed.'Dim count = Convert.ToInt32(cmd.ExecuteScalar()) If (count > 0) Then
System.Data.OleDb.OleDbException: 'The Microsoft Jet database engine cannot find the input table or query 'login'. Make sure it exists and that its name is spelled correctly.' i have this problem can you help me?
Hello. Can you please help me? I just followed the steps but unfortunately it doesnt work on me it says that "An unhandled exception of type 'System.Data.OleDb.OleDbException' occurred in System.Data.dll" please help me.
help me. i can not add the database after clicking the "new connection" button and browse the database when i click test connection it appears this message box "unrecognized database format" and the location of the file
@@mrblackblade9217 i've finally found the solution! 😎😎 you have to download and install the Microsoft Access Database Engine 😃 you can use this link: 👇👇👇👇👇👇👇 www.microsoft.com/en-us/download/details.aspx?id=54920
When I give a password field value as integer it doesn't show any error msg... Bt when I give a password field value as date format it shows a error msg at Dim count = convert.ToInt32(cmd.ExecuteScalar()) what should want to do??? Did I want to change a code for that particular line..... Can u help me??
Thanks so much for this video, it really helped me with my college assignment! Now going off-topic here, what's the name of the background music at 2:08 ?
"An unhandled exception of type 'System.InvalidOperationException' occurred in System.Data.dll " this shows at the connection state which has connection Closed and connection Open
@@alphaq808 sir connection string problem solve but Dim count = Convert.ToInt32(cmd.ExecuteScalar()) If (count > 0) but count value is 0 and count value is not changed and database username password not show
At the moment this only gets the one user name and password from the database, do you know howi could add more usernames and passwords in and use more accounts?
System.Data.OleDb.OleDbException: 'The Microsoft Access database engine cannot find the input table or query 'TB_Admins'. Make sure it exists and that its name is spelled correctly.' why does my code does that after i run the program?
Kindly, check your code again and make sure you wrote the if condition to check connection state, if not then write it... exp If connection.state = ConnectionState.closed then connection.open()