when i am trying to insert a data in a table it gives me syntax error
code is
string str="insert into Company(CompanyName,Address1,Address2,Address3,City,State,PinCode,Phone1,Phone2,E-MailId,VATTIN,PinNo,TNGST,CST,ITNo,StartDate,UptoDate) values('"+txtName.Text+"','"+txtAddrs1.Text+"','"+txtAddrs2.Text+"','"+txtAddrs3.Text+"','"+txtCity.Text+"','"+txtState.Text+"',"+txtPinCode.Text+",'"+txtPhone1.Text+"','"+txtPhone2.Text+"','"+txtEmail.Text+"','"+txtVattin.Text+"','"+txtPinNo.Text+"','"+txtTngst.Text+"','"+txtCst.Text+"','"+txtItNo.Text+"','"+dteStartDate.Text+"','"+dteUptoDate.Text+"')";
plz help me!