In the development process, will inevitably encounter problems save the picture, there are many ways to solve, here I put the pictures saved to the database in binary form, this form may not be the most efficient way, but also a good method . Ha ha, the following simple demo can be used as reference:
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Code
#region Code
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3 //单击"浏览"按钮
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5 private void button1_Click(object sender, System.EventArgs e)
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7
{
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9 DialogResult result=this.openFileDialog1.ShowDialog();
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11 if(result==DialogResult.OK)
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13 {
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15 this.textBox1.Text=this.openFileDialog1.FileName.ToString
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17();
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. 19 Image IMG = Bitmap.FromFile ( the this .textBox1.Text);
20 is 21 is the this .pictureBox1.Image = IMG; 22 is 23 is }
24 25 26 is 27 }
2829//click "OK" button3031 isPrivatevoid the button2_Click (Object SENDER, System.EventArgs E)3233 is { 34 is 35 // into the database operation, picture type parameters PicToBinary () returns the byte [] to 36 37 [ the picture stored in the database in the form of byte 38 is 39
} 40 41 is // convert the picture array is byte 42 is 43 is Private byte [] PicToBinary () 44 is 45 { 46 is 47 // Create a set of parameters 48 49 String path = the this .textBox1.Text.Trim (); 50 51 is byte [] Source = null ; 52 is 53 is IF ( ! path.Equals ( "" ) && the File.Exists (path)) 54 is 55 { 56 is 57 is the FileStream FS =
new new the FileStream
58 59 (path, FileMode.Open, FileAccess.Read); // Create a file stream 60 61 is Source = new new byte [( int ) fs.Length]; 62 is 63 is fs.Read (Source, 0 , ( int ) FS .length); 64 65 image IMG = Bitmap.FromStream (FS); // the file stream is converted to image 66 67 IF (img.Width > 300 || img.Height > 400 ) 68 69 {
70 71 is MessageBox.Show ( " image is too large. Please upload images 400 * 300 or less " ); 72 73 is return ; 74 75 }
76 77 fs.Flush (); 78 79 fs.Close (); 80 81 }
8283return Source;8485 }
86878889#endregion
Reproduced in: https: //www.cnblogs.com/yangjie5188/archive/2008/02/16/1070437.html