InfoPath Dev

I want submit my forms data to the sql database but before submission ,the values of the fields must be checked with values in database….in other words imagine a room reservation form, before form is submitted to the database it should be investigated that this room in requested time has been reserved before or not if yes showing a message and do ...

hello, thanks shailaja for your rapid reply. yes,you got me correctly.im using secondary data connections to get the value of dropdown and checkboxes from Database. but infact im really new to infopath.can you please explain more about ''nodes'' ,what are they refering to?and how to create them?its the first time im hearing about nodes. is it ...

thanks Agni and shailaja for your fast reply. i am very new to infopath. shailaja,can you please explain more about what kind of rule should i write?any example,any article would be highly appreciated. and let me explain more about my problem. i have 2 tables in a database.the value of dropdown item is a foreign key for the value of checkboxes ...

Hi I want to have a dropdown and a checkbox list in my form that with item changing in dropdown the item of checklists also change...in the other words these 2 control are related to each other when the selected item in dropdown changed the items of checkbox list are also changed...my first question is : is it possible to do this ? and second how ...

i want to design an infopath form and publish it to sharepoint, when the user who is logged on sharepoint clicks ''fill this form'' from form library,the form should open and displays the information of the user that are retrieved from active directory, how should i program such form in infopath that: 1-gets the currectly logged in ...