Click here to Skip to main content
15,900,461 members
Home / Discussions / C#
   

C#

 
QuestionCsharp InTheHand.Net read bluetooth data on received event Pin
nowis773-Nov-20 8:07
nowis773-Nov-20 8:07 
AnswerRe: Csharp InTheHand.Net read bluetooth data on received event Pin
jsc423-Nov-20 10:33
professionaljsc423-Nov-20 10:33 
GeneralRe: Csharp InTheHand.Net read bluetooth data on received event Pin
nowis7710-Nov-20 21:01
nowis7710-Nov-20 21:01 
QuestionBusiness Layer Question Pin
Kevin Marois2-Nov-20 6:31
professionalKevin Marois2-Nov-20 6:31 
AnswerRe: Business Layer Question Pin
Richard Deeming2-Nov-20 6:45
mveRichard Deeming2-Nov-20 6:45 
GeneralRe: Business Layer Question Pin
Kevin Marois2-Nov-20 7:27
professionalKevin Marois2-Nov-20 7:27 
Questionuse connection from login form in other forms Pin
Newkid on the block31-Oct-20 5:43
Newkid on the block31-Oct-20 5:43 
AnswerRe: use connection from login form in other forms Pin
OriginalGriff31-Oct-20 5:57
mveOriginalGriff31-Oct-20 5:57 
Exactly how depends on the "relationship" between the two forms.
Have a look at these, one of them will fit your circumstances.
The form that creates an instance of another:
C#
MyForm mf = new MyForm();
mf.Show();
Is the "parent", the other form is the "child".
(This doesn't imply any formal MDI relationship)

Transferring information between two forms, Part 1: Parent to Child[^]
Transferring information between two forms, Part 2: Child to Parent[^]
Transferring information between two forms, Part 3: Child to Child[^]

But ... you shouldn't create a SqlConnection and "pass it around" your app - that's a bad idea as some operations such as a DataReader that fails to be closed and disposed properly can "block" the connection object from doing anything else. Instead, create a connection string and pass that around (or create it as a public static property and just use it everywhere). Then create your Connection within a using block each time you need one.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!

GeneralRe: use connection from login form in other forms Pin
Newkid on the block31-Oct-20 10:21
Newkid on the block31-Oct-20 10:21 
GeneralRe: use connection from login form in other forms Pin
Dave Kreskowiak31-Oct-20 11:26
mveDave Kreskowiak31-Oct-20 11:26 
AnswerRe: use connection from login form in other forms Pin
Dave Kreskowiak31-Oct-20 6:30
mveDave Kreskowiak31-Oct-20 6:30 
AnswerRe: use connection from login form in other forms Pin
BillWoodruff1-Nov-20 15:12
professionalBillWoodruff1-Nov-20 15:12 
GeneralRe: use connection from login form in other forms Pin
Newkid on the block3-Nov-20 5:45
Newkid on the block3-Nov-20 5:45 
GeneralRe: use connection from login form in other forms Pin
BillWoodruff3-Nov-20 14:46
professionalBillWoodruff3-Nov-20 14:46 
QuestionCrystal reports and datagridviews Pin
Damir Djordjevic31-Oct-20 4:39
Damir Djordjevic31-Oct-20 4:39 
AnswerRe: Crystal reports and datagridviews Pin
Gerry Schmitz31-Oct-20 5:15
mveGerry Schmitz31-Oct-20 5:15 
QuestionIF Else statement on background colour of label. Pin
Member 1497767230-Oct-20 2:29
Member 1497767230-Oct-20 2:29 
SuggestionRe: IF Else statement on background colour of label. Pin
Richard MacCutchan30-Oct-20 2:36
mveRichard MacCutchan30-Oct-20 2:36 
GeneralRe: IF Else statement on background colour of label. Pin
Member 1497767230-Oct-20 2:47
Member 1497767230-Oct-20 2:47 
GeneralRe: IF Else statement on background colour of label. Pin
OriginalGriff30-Oct-20 2:52
mveOriginalGriff30-Oct-20 2:52 
AnswerRe: IF Else statement on background colour of label. Pin
OriginalGriff30-Oct-20 2:50
mveOriginalGriff30-Oct-20 2:50 
GeneralRe: IF Else statement on background colour of label. Pin
Member 1497767230-Oct-20 3:01
Member 1497767230-Oct-20 3:01 
QuestionAdd treasure to my maze game Pin
Member 1497767229-Oct-20 4:10
Member 1497767229-Oct-20 4:10 
AnswerRe: Add treasure to my maze game Pin
OriginalGriff29-Oct-20 4:20
mveOriginalGriff29-Oct-20 4:20 
AnswerRe: Add treasure to my maze game Pin
Gerry Schmitz29-Oct-20 5:14
mveGerry Schmitz29-Oct-20 5:14 

General General    News News    Suggestion Suggestion    Question Question    Bug Bug    Answer Answer    Joke Joke    Praise Praise    Rant Rant    Admin Admin   

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.