Winform Accessing pictures

namespace windowsformsapplication10{public partial class Form2:form {public Form2 () {I        Nitializecomponent (); The private void Button1_Click (object sender, EventArgs e) {openfiledialog1.filter = "@. jpg|*.jpg|@. gif|*.gif|@. Png|*.png|            All Files|*.* ";            DialogResult dr = Openfiledialog1.showdialog (); if (dr = = DialogResult.OK) {//Read the picture into the file stream FileStream fs = new FileStream (openfiled Ialog1.                Filename,filemode.open,fileaccess.read);                          Image img = System.Drawing.Bitmap.FromStream (fs);//Draw pictureBox1.Image = img;//specified }} private void Button2_Click (object sender, EventArgs e) {openfiledialog1.filter = "@". jpg|*.jpg|@. gif|*.gif|@. Png|*.png|            All Files|*.* ";            DialogResult dr = Openfiledialog1.showdialog ();        if (dr = = DialogResult.OK) {//file stream        FileStream fs = new FileStream (openfiledialog1.filename,filemode.open,fileaccess.read); BinaryReader br = new BinaryReader (fs);//binary reader byte[] buffer = br. Readbytes (int. Parse (fs.                Length.tostring ())); Connect database SqlConnection conn = new SqlConnection ("server=.;                Database=snewdata;user=sa;pwd= "); SqlCommand cmd = conn.                CreateCommand ();                Cmd.commandtext = "INSERT into imgtable values (@buffer)"; Cmd.                Parameters.Add ("@buffer", buffer); Conn.                Open (); Cmd.                ExecuteNonQuery (); Cmd.                Dispose (); Conn.            Close (); }} private void Button3_Click (object sender, EventArgs e) {//Read database SqlConnect Ion conn = new SqlConnection ("server=.;            Database=snewdata;user=sa;pwd= "); SqlCommand cmd = conn.            CreateCommand ();            Cmd.commandtext = "Select *from imgtable where code=4"; CoNn.            Open (); SqlDataReader dr = cmd.            ExecuteReader (); Dr.            Read ();                        byte[] buffer = (byte[]) dr["IMGs"]; Cmd.            Dispose (); Conn.            Close (); Display the binary data buffer as a picture MemoryStream ms = new MemoryStream (buffer);//Build Object Ms. Write (Buffer,0,buffer.            LENGTH);//write to the memory stream in Image img = System.Drawing.Image.FromStream (ms);        pictureBox1.Image = img; }    }}

　　

Winform Accessing pictures