How to load particular texts of text file to particular textboxes

Question

I have created a project in C# windows form application. I am using .Net framework version 4.0 and Visual studio 2010. Project contains Save and load File button. And also some textboxes.

I created a text file like this

Serial Number = 1
Type Number = 500
Test Engineer = jay
Date = 03/05/2018
Time = 16:17:20 PM
Test1 = 1.00
Test2 = 1.76
.
.
.
Test18 = 4.66

Code for Load File button:

private void btn_LoadFile_Click(object sender, EventArgs e)
{
    OpenFileDialog fdlg = new OpenFileDialog();
    if (fdlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
    {
        System.IO.StreamReader sr = new
        System.IO.StreamReader(fdlg.FileName);

        string[] lines = sr.ReadToEnd().Split('\n');
        tb_SerialNo.Text = lines[0];
        tb_TypeNo.Text = lines[1];
        tb_TestEngineer.Text = lines[2];
        tb_Date.Text = lines[3];
        tb_Test1.Text = lines[4];
        tb_Test2.Text = lines[5];
    }  
}

When I run above code, I got value in Serial no textbox is Serial Number = 1 but I want 1in textbox. Same Type Number Tex box Type Number = 500 but here also I want 500 in Type number textbox.

Answer 1

When you split by new line, lines[0] will store Serial Number = 1. Here you need to split it again by =.

If you try and print values of each element from string array, you will understand what changes you need to do in your code.

 private void btn_LoadFile_Click(object sender, EventArgs e)
    {
        OpenFileDialog fdlg = new OpenFileDialog();
        if (fdlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
        {
            System.IO.StreamReader sr = new
            System.IO.StreamReader(fdlg.FileName);

            string[] lines = sr.ReadToEnd().Split('\n'); //To make your code more readable, you can use "Environment.NewLine" instead of '\n'
            Console.WriteLine(lines[0]); //Here it will give "Serial Number = 1"
            // you need to store 1 in tb_SerialNo.Text, so split lines[0] with =
           //Have you tried with this.
            string[] splitWithEqualTo = lines[0].Split('=');
            tb_SerialNo.Text = splitWithEqualTo [1];
          //Similar kind of logic you can apply for other text boxes.
        }  
    }

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To fix your issue, you can try with the followings

Console.WriteLine(lines[0]); // This will print "Serial Number = 1"
string[] slitLine = lines[0].Split('=');
Console.WriteLine(slitLine[0]); //This will print "Serial Number"
Console.WriteLine(slitLine[1]); //This will print 1, this is what you need to store in tb_SerialNo.Text, right?

This is not the solution, but you will understand what changes you need to do in your code.

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