this is our code .... .. when i enter ' in text box it will show error what can i do.. plz tell me.. "insert usermaster_sw values(" & UserId & ",'','" & txtFName.Text.Trim & "','" & txtLName.Text.Trim & "','" & txtInitial.Text.Trim & "','" & txtPwd.Text.Trim & "','" _
& ddlhintq.SelectedItem.Text.Trim & "','" & txtHintA.Text.Trim & "','" & Address.Trim & "','" & txtCity.Text.Trim & "','" & txtState.Text.Trim & "','" & ddlCountry.SelectedItem.Value.Trim & "','" & txtZip.Text.Trim & "','" _
& txtPhone.Text.Trim & "','" & txtUser.Text.Trim & "','" & txtPhoneO.Text.Trim & "','" & txtMobile.Text.Trim & "','" & txtAvail.Text.Trim & "','" & dob & "','" & dom & "','" & DateTime.Now & "')"