how to make a reading operation with this writing textfile solution, please?
Textbox[]tbs = { textBox1, textBox2, textBox3, textBox4, textBox5 }; // add all of them in here
StringBuilder sb = new StringBuilder();
foreach(TextBox tb in tbs)
sb.AppendLine(tb.Text);
System.IO.File.WriteAllText(@"C:\myFile.txt", sb.ToString());
Yes, but how with readalltext. I have many textboxes. Look the précedent message it's ok for saving into the text file but i don't how to read text file to send into textbox1, textbox2, textbox3 etc...
StringBuilder AppenLine method appends a cr after every string of a textbox.
So you can use the string Split method to separate al the different textbox strings.Look it up in MSDN to find out how the Split method works.
Thanks ddanbe but i don't need the string split method i want just import variables of the myFile.txt(look my writing code of myFile.txt) to texboxes.
This is what I meant:
TextBox textBox1 = new TextBox();
TextBox textBox2 = new TextBox();
TextBox textBox3 = new TextBox();
TextBox textBox4 = new TextBox();
TextBox[] tbs = { textBox1, textBox2, textBox3, textBox4};
// suppose this string is read from a file
string StrReadFromFile = "TB1text" + "\n" + "TB2text" + "\n" + "TB3txt" + "\n" + "TB4txt" +"\n";
string[] tbxStrings = StrReadFromFile.Split(new char[]{'\n'});
//Drop the splitted tekst into the textboxes
for (int i = 0; i < tbs.Length; i++)
{
tbs[i].Text = tbxStrings[i];
}
Hope some code will make it clearer.
Another way to do this would be:
TextBox textBox1 = new TextBox();
TextBox textBox2 = new TextBox();
TextBox textBox3 = new TextBox();
TextBox textBox4 = new TextBox();
TextBox[] tbs = { textBox1, textBox2, textBox3, textBox4};
// suppose this string is read from a file
string StrReadFromFile = "TB1text" + "\n" + "TB2text" + "\n" + "TB3txt" + "\n" + "TB4txt" +"\n";
//Drop the splitted tekst into the textboxes
tbs[0].Text = (StrReadFromFile.Split('\n'))[0];
tbs[1].Text = (StrReadFromFile.Split('\n'))[1];
tbs[2].Text = (StrReadFromFile.Split('\n'))[2];
tbs[3].Text = (StrReadFromFile.Split('\n'))[3];
if(openFileDialog1.ShowDialog() ==System.Windows.Forms.DialogResult.OK)
{
TextBox textBox1 = new TextBox();
TextBox textBox2 = new TextBox();
TextBox textBox3 = new TextBox();
TextBox textBox4 = new TextBox();
TextBox[] tbs = { textBox1, textBox2, textBox3, textBox4};
// suppose this string is read from a file
string StrReadFromFile = "TB1text" + "\n" + "TB2text" + "\n" + "TB3txt" + "\n" + "TB4txt" +"\n";
string[] tbxStrings = StrReadFromFile.Split(new char[]{'\n'});
//Drop the splitted tekst into the textboxes
for (int i = 0; i < tbs.Length; i++)
{
tbs[i].Text = tbxStrings[i];
}
}
Sorry but it's not working for me. I think i forget something if you can help me please.
if(openFileDialog1.ShowDialog() ==System.Windows.Forms.DialogResult.OK)
{
TextBox TextBox1 = new TextBox();
TextBox TextBox2 = new TextBox();
TextBox TextBox3 = new TextBox();
TextBox TextBox4 = new TextBox();
TextBox[] tbs = { TextBox1, TextBox2, TextBox3, TextBox4};
// suppose this string is read from a file
string StrReadFromFile = "TB1text" + "\n" + "TB2text" + "\n" + "TB3txt" + "\n" + "TB4txt" +"\n";
string[] tbxStrings = StrReadFromFile.Split(new char[]{'\n'});
//Drop the splitted tekst into the textboxes
for (int i = 0; i < tbs.Length; i++)
{
tbs[i].Text = tbxStrings[i];
}
}
Could you please tell, WHAT is not working?
there's nothing in my textboxes.
The code I gave you was just a raw sketch of what it could look like.
It is up to you to fill in the details, size, font etc.
Here is (again minimal but working code)
TextBox TextBox1 = new TextBox();
TextBox TextBox2 = new TextBox(); TextBox2.Location = new Point(50, 50);
TextBox TextBox3 = new TextBox(); TextBox3.Location = new Point(50, 80);
TextBox TextBox4 = new TextBox(); TextBox4.Location = new Point(100, 100);
TextBox[] tbs = { TextBox1, TextBox2, TextBox3, TextBox4};
// suppose this string is read from a file
string StrReadFromFile = "TB1text" + "\n" + "TB2text" + "\n" + "TB3txt" + "\n" + "TB4txt" +"\n";
string[] tbxStrings = StrReadFromFile.Split(new char[]{'\n'});
//Drop the splitted tekst into the textboxes
for (int i = 0; i < tbs.Length; i++)
{
tbs[i].Text = tbxStrings[i];
}
//the form needs to know his controls
this.Controls.AddRange(tbs);
I have placed this code right after the initializeComponent call of the form constructor.
Ok, Thank's. I found another solution and it's better.
if(openFileDialog1.ShowDialog() ==System.Windows.Forms.DialogResult.OK)
{
StringBuilder loaded = new StringBuilder();
StreamReader reader = new StreamReader(openFileDialog1 .FileName );
String line;
// Read and display lines from the file until the end of
// the file is reached.
while ((line = reader.ReadLine()) != null)
{
String[] content = line.Split('#');
String name = content[0];
String value = content[1];
Control control = Controls[name];
if (control is TextBox)
(control as TextBox).Text = value;
else if (control is CheckBox)
(control as CheckBox).Checked = (value.Equals("true", StringComparison.OrdinalIgnoreCase));
}
}
We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.