Add values into two columns in a table using data in one textbox

[usevalid]

I'm developing an \[code\]asp.net\[/code\] web-forms application with \[code\]entity framework\[/code\]. There are two columns in my database table to add \[code\]Latitude\[/code\] and \[code\]Longitude\[/code\]. But I don't want to add two \[code\]TextBoxes\[/code\] in user interface to add them. I need to add one \[code\]TextBox\[/code\] to add those data, separated by comma. (ex: 85.06000,25.01200). when user clicks submit button, I need to split this string up and add the result to \[code\]Latitude\[/code\] and \[code\]Longitude\[/code\] columns in database table.I have created the form to insert data using \[code\]DetailsView\[/code\] with \[code\]TemplateField\[/code\].I'm new to asp.net and C#. How could I do this ?