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save Datagridview record to csv file


Below is the function which is written in C#, which will demonstrates how to save all datagridview record into CSV(Comma separated file).

public void ExportGridToCSV()
        {

            string filename = "";
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Filter = "CSV (*.csv)|*.csv";
            sfd.FileName = "Output.csv";
            if (sfd.ShowDialog() == DialogResult.OK)
            {
                MessageBox.Show("Data will be exported and you will be notified when it is ready.");
                if (File.Exists(filename))
                {
                    try
                    {
                        File.Delete(filename);
                    }
                    catch (IOException ex)
                    {
                        MessageBox.Show("It wasn't possible to write the data to the disk." + ex.Message);
                    }
                }
                int columnCount = dataGridView1.ColumnCount;
                string columnNames = "";
                string[] output = new string[dataGridView1.RowCount + 1];
                for (int i = 0; i < columnCount; i++)
                {
                    columnNames += dataGridView1.Columns[i].Name.ToString() + ",";
                }
                output[0] += columnNames;
                for (int i = 1; (i - 1) < dataGridView1.RowCount; i++)
                {
                    for (int j = 0; j < columnCount; j++)
                    {
                        try
                        {
                            output[i] += dataGridView1.Rows[i - 1].Cells[j].Value.ToString() + ",";
                        }
                        catch (Exception ex)
                        {
                            //  MessageBox.Show("Error"+ex);
                        }
                    }
                }
                System.IO.File.WriteAllLines(sfd.FileName, output, System.Text.Encoding.UTF8);
                MessageBox.Show("Your file was generated and its ready for use.");
            }
        }

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