In this Article i am going to explain you how to Export a DataGridView(Windows) data to a TextFile(.txt)
Hi,
In this Article i am going to explain you how to Export a DataGridView(Windows) data to a TextFile(.txt) first i created a Table with a name 'emp'.it has 3 columns as 'id' number,'empname' varchar,'salary' number and i Inserted Some Data in 'emp' Table.
Next Retrive the Data in DataGridview(windows).
AfterRetreving OutPut of Datagridview as below :

What you have data, present in datagrideview that data should be export in to the txtfile.
creating a text file with a coding :-
Below line is creating a textfile with a name file11.just you have to give a path where your text file should be located.here I am saving my file in 'F Drive'.
FileStream fileStream = new FileStream(@"F:\file11.txt", FileMode.Create);
Here FileMode.Create will automatically create a textfile with a name called file11.txt in 'F drive' with a FileStream Class.
If your are using Io Streams class then you have to Import a NameSpace as Using Sytstem.Io;
Write below code in one Button
TextWriter sw = new StreamWriter(@"F:\\file11.txt");
int rowcount = dataGridView1.Rows.Count;
for (int i = 0; i < rowcount - 1; i++)
{
sw.WriteLine(dataGridView1.Rows[i].Cells[0].Value.ToString() + "\t" + dataGridView1.Rows[i].Cells[1].Value.ToString() + "\t" + dataGridView1.Rows[i].Cells[2].Value.ToString());
}
sw.Close(); //Don't Forget Close the TextWriter Object(sw)
MessageBox.Show("Data Successfully Exported");
In above code
Cells[0] is first column in datagridview
Cells[1] is second column in datagridview
Cells[2] is third column in datagridview
After Exporting Open your txt file and you can see the output :

This is the simple way Exporting Data to a textfile.Plz Give me Feed back about this Article.