state city concept in windows application
using System;
using System.Data;
using System.Windows.Forms;
using System.Configuration;
using System.Data.SqlClient;
using System.Configuration;
using System.IO;
namespace WindowsFormsApplication10
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
bindstate();
}
public void bindstate()
{
SqlConnection con = new SqlConnection("Data Source=KING_OF_JAUNPUR\\SQLEXPRESS;Initial Catalog=SqlPractice;User ID=sa;Password=123");
SqlCommand cmd = new SqlCommand("SELECT StateId, StateName FROM State", con);
con.Open();
DataSet ds = new DataSet();
SqlDataAdapter ad = new SqlDataAdapter();
ad.SelectCommand = cmd;
ad.Fill(ds);
con.Close();
comboBox2.ValueMember = "StateId";
comboBox2.DisplayMember = "StateName";
comboBox2.DataSource = ds.Tables[0];
}
public void bindcity( int stateid)
{
SqlConnection con = new SqlConnection("Data Source=KING_OF_JAUNPUR\\SQLEXPRESS;Initial Catalog=SqlPractice;User ID=sa;Password=123");
SqlCommand cmd = new SqlCommand("SELECT CityId, CityName FROM City where StateId=@StateId", con);
cmd.Parameters.AddWithValue("@StateID", stateid);
con.Open();
DataSet ds = new DataSet();
SqlDataAdapter ad = new SqlDataAdapter();
ad.SelectCommand = cmd;
ad.Fill(ds);
con.Close();
comboBox3.ValueMember = "CityId";
comboBox3.DisplayMember = "CityName";
comboBox3.DataSource = ds.Tables[0];
}
private void button2_Click(object sender, EventArgs e)
{
FileStream fs = new FileStream(textBox3.Text, FileMode.Open);
byte[] bytarr = new byte[fs.Length];
fs.Read(bytarr, 0, Convert.ToInt16(fs.Length));
SqlConnection con = new SqlConnection("Data Source=KING_OF_JAUNPUR\\SQLEXPRESS;Initial Catalog=SqlPractice;User ID=sa;Password=123");
SqlCommand cmd = new SqlCommand("insert into registration values(@name,@fathername,@course,@gender,@state,@city,@photo");
cmd.Connection = con;
con.Open();
cmd.Parameters.AddWithValue("@name", textBox1.Text);
cmd.Parameters.AddWithValue("@fathername", textBox2.Text);
if (radioButton1.Checked == true)
{
cmd.Parameters.AddWithValue("@gender", radioButton1.Checked.ToString());
}
else{
cmd.Parameters.AddWithValue("@gender", radioButton2.Checked.ToString());
}
cmd.Parameters.AddWithValue("@course", comboBox1.Text);
cmd.Parameters.AddWithValue("@state",comboBox2.Text);
cmd.Parameters.AddWithValue("@city", comboBox3.Text);
cmd.Parameters.AddWithValue("@photo",bytarr);
cmd.ExecuteNonQuery();
con.Close();
}
private void comboBox3_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void comboBox2_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBox2.SelectedIndex.ToString() != "")
{
int countryid = Convert.ToInt16(comboBox2.SelectedValue.ToString());
bindcity(countryid);
}
}
private void button1_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
textBox3.Text = openFileDialog1.FileName;
}
}
}
}
using System;
using System.Data;
using System.Windows.Forms;
using System.Configuration;
using System.Data.SqlClient;
using System.Configuration;
using System.IO;
namespace WindowsFormsApplication10
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
bindstate();
}
public void bindstate()
{
SqlConnection con = new SqlConnection("Data Source=KING_OF_JAUNPUR\\SQLEXPRESS;Initial Catalog=SqlPractice;User ID=sa;Password=123");
SqlCommand cmd = new SqlCommand("SELECT StateId, StateName FROM State", con);
con.Open();
DataSet ds = new DataSet();
SqlDataAdapter ad = new SqlDataAdapter();
ad.SelectCommand = cmd;
ad.Fill(ds);
con.Close();
comboBox2.ValueMember = "StateId";
comboBox2.DisplayMember = "StateName";
comboBox2.DataSource = ds.Tables[0];
}
public void bindcity( int stateid)
{
SqlConnection con = new SqlConnection("Data Source=KING_OF_JAUNPUR\\SQLEXPRESS;Initial Catalog=SqlPractice;User ID=sa;Password=123");
SqlCommand cmd = new SqlCommand("SELECT CityId, CityName FROM City where StateId=@StateId", con);
cmd.Parameters.AddWithValue("@StateID", stateid);
con.Open();
DataSet ds = new DataSet();
SqlDataAdapter ad = new SqlDataAdapter();
ad.SelectCommand = cmd;
ad.Fill(ds);
con.Close();
comboBox3.ValueMember = "CityId";
comboBox3.DisplayMember = "CityName";
comboBox3.DataSource = ds.Tables[0];
}
private void button2_Click(object sender, EventArgs e)
{
FileStream fs = new FileStream(textBox3.Text, FileMode.Open);
byte[] bytarr = new byte[fs.Length];
fs.Read(bytarr, 0, Convert.ToInt16(fs.Length));
SqlConnection con = new SqlConnection("Data Source=KING_OF_JAUNPUR\\SQLEXPRESS;Initial Catalog=SqlPractice;User ID=sa;Password=123");
SqlCommand cmd = new SqlCommand("insert into registration values(@name,@fathername,@course,@gender,@state,@city,@photo");
cmd.Connection = con;
con.Open();
cmd.Parameters.AddWithValue("@name", textBox1.Text);
cmd.Parameters.AddWithValue("@fathername", textBox2.Text);
if (radioButton1.Checked == true)
{
cmd.Parameters.AddWithValue("@gender", radioButton1.Checked.ToString());
}
else{
cmd.Parameters.AddWithValue("@gender", radioButton2.Checked.ToString());
}
cmd.Parameters.AddWithValue("@course", comboBox1.Text);
cmd.Parameters.AddWithValue("@state",comboBox2.Text);
cmd.Parameters.AddWithValue("@city", comboBox3.Text);
cmd.Parameters.AddWithValue("@photo",bytarr);
cmd.ExecuteNonQuery();
con.Close();
}
private void comboBox3_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void comboBox2_SelectedIndexChanged(object sender, EventArgs e)
{
if (comboBox2.SelectedIndex.ToString() != "")
{
int countryid = Convert.ToInt16(comboBox2.SelectedValue.ToString());
bindcity(countryid);
}
}
private void button1_Click(object sender, EventArgs e)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
textBox3.Text = openFileDialog1.FileName;
}
}
}
}
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