Questions tagged as 'textbox'

I have created a project in WPF in which in some textbox I have to enter hours in the 00:00:00 format, I would like the texbox to have the predefined format.     

Well, what happens next I'm trying to ask for a field in case it's blank I have the following, I have a textbox with name txtEdad then I put it like that int edad=Int32.Parse(txtEdad.Text); if(txtEdad.Text=="") { MessageBox.Show("Debe...

In MS Access 2016, the tbl01 has three fields: std_Id, stdnomb and std_nota. I have a form based on tbl01 and it has txtid, txtname and txtnota. I have been trying to write a code for the following: Al is To write a value in the txtid, the co...

I have this code: string Clei=string.Empty; Clei = "Se confecciona boleta # "+ txtNumeroBoleta.Text + ", del " + a + " al " + b + " (" + dias + " días), firmada por el usuario: " + usuario + " código. " + codigoUsuario + "."; txtNota.Text=C...

I have an HTML page which is partially built with PHP. The issue is that I have a form where using HTML I have a textbox where with the method onchange="this.form.submit()" where an identification number is written down. With a php code,...