Read Text File to Array C#/ Insert CSV File to Array using C# / C# Array from Text/CSV Files
ReadAllLines method can be used to read the contents of a CSV file to array. Each line of the text file will become the elements of the array
public void ReadFile2Array()
{
String[] FileContent = File.ReadAllLines(@"C:\Temp\vba.csv");
int LineNo = 0;
foreach (string Line in FileContent)
{
LineNo +=1;
Console.WriteLine("Line " + LineNo.ToString() + " " + Line);
}
}
ReadAllLines method opens a text file, reads all lines of the file into a string array, and then closes the file.
The input file is shown below
The output will be like
Posts
string file_name = "c:\\uploadme.txt";
ReplyDeleteif (System.IO.File.Exists(file_name) == true)
{
String[] FileContent = File.ReadAllLines(file_name);
string fileRow = "";
int LineNo = 0;
foreach (string Line in FileContent)
{
LineNo +=1;
fileRow = fileRow + "Line " + LineNo.ToString() + " " + Line + "\r\n";
richTextBox1.Text = fileRow;
}
}
else
{
MessageBox.Show("No such file " + file_name);
}