Posts by Lucas Barbosa Fonseca • 27 points
11 posts
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viewsQ: Prevent user from registering 3 times in the same week
I am developing a system for scheduling reservations of locations and equipment for users registered in this system, which in case are teachers, reserve such items for their classes: the teacher…
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votes1
answer485
viewsQ: How to display the tr’s next to each other with the tds one below the other within the html table?
Good afternoon guys, I have an html table where I’m displaying data coming from the database in the table lines (tr), I’m trying to display the lines in the table next to each other with the tds…
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votes2
answers244
viewsA: Check for 3-condition registration with PHP
Now it worked my comrades, I made the conversion of the date to the format 'y-m-d' that the database accepts, together with the variable declaration and before making the query in this way:…
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votes2
answers244
viewsQ: Check for 3-condition registration with PHP
I am new to PHP and I am trying to check if there is equal record in the database before registering, but until then everything right, the problem is that I can not check with 3 conditions in WHERE…
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answers970
viewsQ: How to make a Datagrid in HTML5?
Good afternoon, I was wondering how to make a Datagrid in HTML5 more or less similar to the image below?…
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votes3
answers1770
viewsQ: Increase word size, placeholder attribute value of text inputs?
How do I increase word size, text type input tag placeholder attribute value? <input type="text" name="login" placeholder="Login" required id="login">…
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answer809
viewsQ: Difference between position Absolute and position relative
Briefly, what is the difference between position: absolute and position: relative in CSS?
cssasked Lucas Barbosa Fonseca 27 -
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answers415
viewsQ: Interrogation instead of C# and SQL Server accentuation
Good afternoon guys, I have a C# application with SQL Server database, the problem is that words that have accented letters, in place of these letters appear lozenges with a question mark in the…
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votes1
answer84
viewsA: I can’t register dates
Good afternoon guys, I managed to solve this problem, it was in the DAL layer, the following sections were wrong: cmd.Parameters.AddWithValue("@DT_ENTRADA", exemplar.DataEntradaExemplar);…
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votes1
answer84
viewsQ: I can’t register dates
I have a form with two dates, however, when I register them returns me the following error: Character string not recognized as valid datetime. What can it be? This application is done in four…
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votes1
answer74
viewsQ: I can’t change the form code C#
Could you guys help me out? Well, I’m using C# with SQL Server database, I have a form with two codeCdd fields and descricaCdd both text type, I can include and delete data from these fields without…
c#asked Lucas Barbosa Fonseca 27