In order to send email attachements from a form, we first upload the file to a temporary location on the server. We then attach the file to the email message, execute the mail message to sent he email and finally delete the file from the temporary location.
Please follow the following steps to add attchment funtionality to you Asp.Net form using C#.
The CheckBoxList control creates a multiselection check box group. To specify items that you want to appear in the CheckBoxList control, place a ListItem element for each entry between the opening and closing tags of the CheckBoxList control. The CheckBoxList control can be dynamically generated using data binding as well.
Instead of manually updating the copyrighted message every year, you can add a dynamic and automatic copyrighted year message at the bottom of your website. To do so, include the following code at the bottom of your php files just before the body tag.
echo("Copyrighted ©$year W3courses.com");
Following is the source code for math functions Absolute Value, Sin, Cos, Tan, and ArcTan:
printf("%f %f %f\n",sin(1/6.0*M_PI),cos(1/6.0*M_PI),tan(1/6.0*M_PI));