Public Function input_slt_clear :

Public Function input_slt_clear :

This function is used to select the existing text in the textbox.
It accepts 3 arguments namely, cntrl_nme, is_focus and cntrl_id
Cntrl_nme – is the object of Control class
Is_focus – is the Boolean variable used to specify focus status.
Cntrl_id – is the integer variable to specify textbox or combobox.
SelectionStart method of textbox control is used to specify the starting position of the selection.
SelectionLength method of textbox control is used to specify the number of characters to be selected.