CSHARP FILE HANDLING REAL APPLICATION - K MANOHAR GOUD

K MANOHAR GOUD

9866550012

File Handling Real Application in C#

File Handling Application are mostly used in Software ,website and Automation etc. You can download full Application from bottom and Run  this on your system using Visual studio . This Application includes following features which is given below:

• How to Find Logical Drives in Your System and Find Total and free space in selected Drive using C#
• How to Create New Directory in your System Drive using C#.
• How to Create Sub Directory in your system drives in Directory using C#.
• How to Show Directory's File Details using C# language.
• How to Copy Directory From One Drive To Another Drive Using C#.
• How to Write contents in File using C#.
• How to Read File from system using C#.
• How to Find (Search)  text data from File using C#.
• How to Append Contents to the Existing File using C#.
• How to Rename File Name in your system using C#.
• How to Replace Old Value to New Value from your Existing file  using C#.

Full Application screenshot is given below:

see it:

There are some steps please follow one by one to understand the whole File Handling concepts.

Step :1 First open your visual studio -->open Windows Forms Application -->drag and drop controls to the form as given below:

Step :2 Now Double click on Show Your system Drive Details  Button  , comboBox  and Write the following code which is given below:

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using System; using System.IO; using System.Windows.Forms; namespace File_Handling_Application {     public partial class Form1 : Form     {         public Form1()         {             InitializeComponent();         }           private void button1_Click(object sender, EventArgs e)         {             try             {                 int i;                 String[] strd = Directory.GetLogicalDrives();                 for (i = 0; i < strd.Length; i++)                 {                     comboBox1.Items.Add(strd[i]);                 }             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }         }           private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)         {             try             {                 String val = comboBox1.SelectedItem.ToString();                 System.IO.DriveInfo dinfo = new System.IO.DriveInfo(val);     textBox1.Text = "your selected drive is:" + val + "\n Total Size of Drive is:" + dinfo.TotalSize + "\n Available Free space in Drive:" + dinfo.AvailableFreeSpace;             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }         } } }

Step :3 Now Run the Program(press F5) ,click on Button and select drive from comboBox.
output:

Step :4 Now Drag and drop controls as given below:
see it:

Step :5 Now double click on Buttons and write the following codes which is given below:

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private void button2_Click(object sender, EventArgs e)         {             try             {                 if (!Directory.Exists(textBox2.Text))                 {                     Directory.CreateDirectory(textBox2.Text);                     MessageBox.Show("Directory created");                 }                 else                 {               MessageBox.Show("Please Enter correct directory path and File name");                 }             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }         }         private void button3_Click(object sender, EventArgs e)         {             try             {                 String path = textBox2.Text;                 System.IO.DirectoryInfo sudir = new DirectoryInfo(textBox2.Text);                 String subname = textBox3.Text;                 sudir.CreateSubdirectory(subname);                 MessageBox.Show("SubDirectory has successfully created");             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }         }           private void button4_Click(object sender, EventArgs e)         {             try             {                 String path = textBox2.Text;                 DirectoryInfo dinfo = new DirectoryInfo(path);                 if (dinfo.Exists)                 {                     DirectoryInfo[] subdir = dinfo.GetDirectories();                     foreach (DirectoryInfo s in subdir)                     {                         comboBox2.Items.Add(s);                     }                       FileInfo[] finfo = dinfo.GetFiles("*");                     foreach (FileInfo f in finfo)                     {                         comboBox2.Items.Add(f);                     }                     }                 else                 {  MessageBox.Show("Directory does not Exist,Please enter valid directory path and name");                 }             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }           }

Step :6 Now Run the program and create Directory,Sub directory and show Directory and files one by one. See your drive, Directory is created or not.
Output:

Step :7 Now Again drag and drop controls as shown below:

Step :7 Now Double click on Copy directory Button and write the following codes.
see it:

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private void button5_Click(object sender, EventArgs e)         {             try             {                 DirectoryInfo srcdir = new DirectoryInfo(textBox4.Text);                 DirectoryInfo destdir = new DirectoryInfo(textBox5.Text);                 CopyDirectory(srcdir, destdir);             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }           }           private void CopyDirectory(DirectoryInfo srcdir, DirectoryInfo destdir)         {             try             {                 if (!destdir.Exists)                 {                     destdir.Create();                     FileInfo[] finfo = srcdir.GetFiles();                     foreach (FileInfo f in finfo)                     {                         f.CopyTo(Path.Combine(destdir.FullName, f.Name));                     }                     DirectoryInfo[] dinfo = srcdir.GetDirectories();                     foreach (DirectoryInfo d in dinfo)                     {                         String dest = Path.Combine(destdir.FullName, d.Name);                         CopyDirectory(d, new DirectoryInfo(dest));                     }          MessageBox.Show("Directory has Copied successfully to another Drive");                 }                 else                 {                     MessageBox.Show("Please enter valid path and File name");                   }             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }                       }

Step :8 Now Run the Program (press F5)

Step :9 Now drag and drop controls on the Form as shown below:
see it:

Step :10 Now Double Click on Write,Read,Find and Append Button and Write the following code:-

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private void button6_Click(object sender, EventArgs e)         {             try             {      FileStream fs = new FileStream(textBox6.Text, FileMode.Open, FileAccess.Read);                 StreamReader sr = new StreamReader(fs);                 String str = sr.ReadToEnd();                 int i = (str.IndexOf(textBox9.Text, 0));                 if (i > -1)                 {                     MessageBox.Show("This word is exist in the file");                 }                 else                 {            MessageBox.Show("This word is not exist in the file try another words");                 }             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }         }    private void button7_Click(object sender, EventArgs e)         {             try             {      FileStream fs = new FileStream(textBox6.Text, FileMode.Open, FileAccess.Read);                 StreamReader sr = new StreamReader(fs);                 textBox8.Text = sr.ReadToEnd();                 fs.Close();             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }         }  private void button8_Click(object sender, EventArgs e)         {             try             {   FileStream fs = new FileStream(textBox6.Text, FileMode.Create, FileAccess.Write);                 StreamWriter sw = new StreamWriter(fs);                 sw.WriteLine(textBox7.Text);                 sw.Flush();                 fs.Close();                 MessageBox.Show("Content is written in file successfully");             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }         }  private void button9_Click(object sender, EventArgs e)         {             try             {                 String str = textBox6.Text;                 StreamWriter sw = File.AppendText(str);                 sw.WriteLine(textBox10.Text);                 sw.Close();                 MessageBox.Show("File contents appended successfully");             }             catch (Exception ram)             {                 MessageBox.Show(ram.Message);             }            }

Step :11 Now Run the Program(press F5) and Fill the required field which is as shown below:
Output:

Step :12  Now Again drag and drop controls on the Form as given below:
see it:

Step :12 Now double click on Rename ,Replace Button and write the following codes which is given below:

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private void button10_Click(object sender, EventArgs e)         {             String src = textBox6.Text;             String dest = textBox11.Text;             try             {                 FileInfo srcfile = new FileInfo(src);                 if (srcfile.Exists)                 {                     srcfile.MoveTo(dest);                     MessageBox.Show("File is Renamed successfully");                 }                 else                 {                     MessageBox.Show("Entere correct File Name and Path again");                 }             }             catch(Exception ram)             {                 MessageBox.Show(ram.Message);             }           }           private void button11_Click(object sender, EventArgs e)         {             String text = File.ReadAllText(textBox6.Text);              String Value = text.Replace(textBox12.Text, textBox13.Text);            File.WriteAllText(textBox6.Text, Value);            MessageBox.Show("successfully Replaced");             }

Step :13  Now Run the program (press F5) and fill the required field as shown below:
see it: