Hi all,
Am new to C# and i have a form which registers users,But i want to create methods that which check if the TextBox conatins Letters (ie for coloumns that shouldnt take letters) and check for special characters and number for coloumns that should only have text.
I have created a Method called IsAllNumbers, i need someone to help me on how i will call the method
below is the code that i have written so far
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Data.Sql;
using System.IO;
namespace UserLogin
{
public partial class FrmRegisterEnrolee : Form
{
# region Constructor
public FrmRegisterEnrolee()
{
InitializeComponent();
}
# endregion Constructor
# region Variable
string empID;
string lname;
string fname;
string DOB;
string gender;
string tel;
string address;
string empr;
string emprAdd;
string HMO;
string HCP;
// int del_flg;
// Image pix;
# endregion Variable
private void txtBoxEmpID_TextChanged(object sender, EventArgs e)
{
string empID = txtBoxEmpID.Text;
}
private void txtBoxLname_TextChanged(object sender, EventArgs e)
{
string lname = txtBoxLname.Text;
}
private void txtBoxFname_TextChanged(object sender, EventArgs e)
{
string fname = txtBoxFname.Text;
}
private void dateTimePicker_ValueChanged(object sender, EventArgs e)
{
DateTime DOB = dateTimePicker.Value;
}
private void txtBoxTel_TextChanged(object sender, EventArgs e)
{
string tel = txtBoxTel.Text;
}
private void txtBoxAdd_TextChanged(object sender, EventArgs e)
{
string address = txtBoxAdd.Text;
}
private void txtBoxEmpr_TextChanged(object sender, EventArgs e)
{
string empr = txtBoxEmpr.Text;
}
private void txtBoxEmprAdd_TextChanged(object sender, EventArgs e)
{
string emprAdd = txtBoxEmprAdd.Text;
}
private void txtBoxHMO_TextChanged(object sender, EventArgs e)
{
string HMO = txtBoxHMO.Text;
}
private void txtBoxHCP_TextChanged(object sender, EventArgs e)
{
string HCP = txtBoxHCP.Text;
}
private void btnSave_Click(object sender, EventArgs e)
{
if (txtBoxEmpID.Text == "")
{
MessageBox.Show("Please Enter Employer ID");
}
else if (txtBoxLname.Text == "")
{
MessageBox.Show("Please Enter Last Name");
}
else
{
bool isValid = GetValues();
//int del_flg = 0;
try
{
SqlConnection sqlConn = new SqlConnection(@"Data Source=AYO-PC\SQLEXPRESS;Initial Catalog=NHIS;Integrated Security=True");
Bitmap image = new Bitmap(picBoxEmp.Image);
ImageConverter converter = new ImageConverter();
object temp = converter.ConvertTo(picBoxEmp.Image, typeof(byte[]));
byte[] imageBytes = (byte[])temp;
string query = "INSERT into Emp (empID, lname, fname, gender, DOB, tel, address, empr, emprAddress, HMO, HCP,pix, del_flg) VALUES (@empID, @lname, @fname, @gender, @DOB, @tel, @address,@empr,@emprAddress, @HMO, @HCP, @pix, 0 )";
SqlCommand cmd = new SqlCommand(query, sqlConn);
cmd.Parameters.AddWithValue("@empID", txtBoxEmpID.Text);
cmd.Parameters.AddWithValue("@lname", txtBoxLname.Text);
cmd.Parameters.AddWithValue("@fname", txtBoxFname.Text);
cmd.Parameters.AddWithValue("@gender", gender);
cmd.Parameters.AddWithValue("@DOB", SqlDbType.DateTime).Value = dateTimePicker.Value;
cmd.Parameters.AddWithValue("@tel", txtBoxTel.Text);
cmd.Parameters.AddWithValue("@address", txtBoxAdd.Text);
cmd.Parameters.AddWithValue("@empr", txtBoxEmpr.Text);
cmd.Parameters.AddWithValue("@emprAddress", txtBoxEmprAdd.Text);
cmd.Parameters.AddWithValue("@HMO", txtBoxHMO.Text);
//cmd.Parameters.AddWithValue(del_flg, 0);
cmd.Parameters.AddWithValue("@HCP", txtBoxHCP.Text);
cmd.Parameters.AddWithValue("@pix", imageBytes);
cmd.Connection.Open();
cmd.ExecuteNonQuery();
cmd.Connection.Close();
MessageBox.Show(" Principal Registrated Successfully");
FrmToDO f1 = new FrmToDO();
this.Close();
f1.Show();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
// MessageBox.Show("Registration failed, Please check and Try again");
}
}
}
private bool GetValues()
{
bool isValid = true;
if (isValid == false)
{
isValid = IsAllDigits(txtBoxEmpID.Text);
MessageBox.Show("Please Enter Valid Digits for Employee Id");
}
else
empID = txtBoxEmpID.Text;
lname = txtBoxLname.Text;
fname = txtBoxFname.Text;
gender = null;
if (radMale.Checked) gender = radMale.Text;
else gender = radFem.Text;
DOB = dateTimePicker.Value.ToString("DD-Mon-YYYY");
//DateTime.tryparse
tel = txtBoxTel.Text;
address = txtBoxEmprAdd.Text;
empr = txtBoxEmpr.Text;
emprAdd = txtBoxEmprAdd.Text;
HMO = txtBoxHMO.Text;
HCP = txtBoxHCP.Text;
if (isValid == true)
{
Image pix = picBoxEmp.Image;
}
else
{
MessageBox.Show("Please Upload a picture to Complete Registration");
}
return isValid;
}
private bool IsAllDigits(string s)
{
foreach (char c in s)
{
if (!Char.IsDigit(c))
return false;
}
return true;
}
# region Event
private void btnUploadPix_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog open = new OpenFileDialog();
open.Filter = "Image Files(*.jpg; *.jpeg; *.gif; *.bmp)|*.jpg;";
if (open.ShowDialog() == DialogResult.OK)
{
Image image = new Bitmap(open.FileName);
picBoxEmp.Image = image.GetThumbnailImage(100, 120, null, new IntPtr());
open.RestoreDirectory = true;
}
}
catch
{
MessageBox.Show("Cannot upload Image");
}
}
# endregion Event
}
}