How pass the data from dialog box to mainwindow
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The example that i have given to you is very simple.
For this You need to work on SIGNAL and SLOT ;
your problem is very basic.
Just try to get basic knowledge from tut and docs.
if not solved then find various link/tutorial available on net.
Hope it helps. -
I know Single Slot function. already i used this mechanism ok but its not work
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Hi
This is my code, how to used 'strlen' command. I want display the number of character.string str = "Amazon";
if(!strlen(str.c_str))
{
ui->textEdit->setText(str);}
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You should use QString .
QString str ="Example"
int len = str.length();
hope it helps
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Hi Everybody
how used and compare two string. This is my code.void MainWindow::start_cummunication()
{
if (!strcmp("!PKS",start_cumm) !=0);
else ui->textEdit->setText("Error : Communication NotEstabilished");
}
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Hi Sumit
Thanks, for code but its not working, comeing errror.
I written this code.QString str = "loni"; int length = str.length(); ui->lineEdit->setText(length);
Error : invalid conversion from 'int' to 'const char*' [-fpermissive]
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Try this one
@
QString str = “loni”;
int length = str.length();
ui->lineEdit->setText(QString("%1").arg(length));
@ -
Hi Pawam.
[quote author="Pawan Pal" date="1396583482"]Hi SumitThanks, for code but its not working, comeing errror.
I written this code.QString str = "loni"; int length = str.length(); ui->lineEdit->setText(length);
Error : invalid conversion from 'int' to 'const char*' [-fpermissive]
[/quote]
edit your code in one line
ui->lineEdit->setText(QString::number(length));
Hope it helps -
Thanks Sumit
Its working
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Thanks andreyc
your code is working
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Plz Help me