C# 一些代码小结--datGirdView 保存到csv文件

 if (dataGridView1.Rows.Count == 0)

 {

     MessageBox.Show("No data available!", "Prompt", MessageBoxButtons.OK, MessageBoxIcon.Information);

     return;

 }

else

{

    SaveFileDialog saveFileDialog = new SaveFileDialog();

    saveFileDialog.Filter = "CSV files (*.csv)|*.csv";

    saveFileDialog.FilterIndex = 0;

    saveFileDialog.RestoreDirectory = true;

    saveFileDialog.CreatePrompt = true;

    saveFileDialog.FileName = null;

    saveFileDialog.Title = "Save path of the file to be exported";

    if (saveFileDialog.ShowDialog() == DialogResult.OK)

    {

        Stream myStream = saveFileDialog.OpenFile();

        StreamWriter sw = new StreamWriter(myStream, System.Text.Encoding.GetEncoding(-0));

        string strLine = "";

        try

        {

            //Write in the headers of the columns.

            for (int i = 0; i < dataGridView1.ColumnCount; i++)

            {

                if (i > 0)

                    strLine += ",";

                strLine += dataGridView1.Columns[i].HeaderText;

            }

            strLine.Remove(strLine.Length - 1);

            sw.WriteLine(strLine);

            strLine = "";

            //Write in the content of the columns.

            for (int j = 0; j < dataGridView1.Rows.Count; j++)

            {

                strLine = "";

                for (int k = 0; k < dataGridView1.Columns.Count; k++)

                {

                    if (k > 0)

                        strLine += ",";

                    if (dataGridView1.Rows[j].Cells[k].Value == null)

                        strLine += "";

                    else

                    {

                        string m = dataGridView1.Rows[j].Cells[k].Value.ToString().Trim();

                        strLine += m.Replace(",", "，");

                    }

                }

                strLine.Remove(strLine.Length - 1);

                sw.WriteLine(strLine);

                //Update the Progess Bar.

                // toolStripProgressBar1.Value = 100 * (j + 1) / dataGridView1.Rows.Count;

            }

            sw.Close();

            myStream.Close();

            MessageBox.Show("Data has been exported to：" + saveFileDialog.FileName.ToString(), "Exporting Completed", MessageBoxButtons.OK, MessageBoxIcon.Information);

            // toolStripProgressBar1.Value = 0;

        }

        catch (Exception ex)

        {

            MessageBox.Show(ex.Message, "Exporting Error", MessageBoxButtons.OK, MessageBoxIcon.Information);

        }

    }

}
巴特西

C# 一些代码小结--datGirdView 保存到csv文件

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