Conversion failed when converting date and/or time from character string while inserting datetime

Question

I was trying to create a table as follows,

create table table1(date1 datetime,date2 datetime);

First I tried inserting values as below,

Answer 1

the best way is this code

"select * from [table_1] where date between convert(date,'" + dateTimePicker1.Text + "',105) and convert(date,'" + dateTimePicker2.Text + "',105)"