How to insert row in table control and save the data in tables

Hi,

I have one table control i am displaying data into table control ,

my problem is : i want to display data into read mode in table control.

but when i click on insert button on the same screen i want one blank line should inserted into table control , then i want to insert some data into table control on that row , when i click the save button . the new data inserted into the table control is insert that data into ztable ,

please give me solution

main problen is how can know inserted line in table control and pass that data into ztable.