通过datatable导出数据表到文件

private void ExportTemplateInformation()

{

try

{

FolderBrowserDialog sfd = new FolderBrowserDialog();

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

{

EMRTemplateClient etc = Factory.getEMRTemplate();

DataTable dtindex = etc.GetDataTable_TEM_FILE_INDEX();

DataTable dttext = etc.GetDataTable_TEM_FILE_TEXT();

if (dtindex == null)

{

return;

}

string filePath = sfd.SelectedPath;

foreach (DataRow dr in dttext.Rows)

{

string code = dr[0].ToString();

EMRFileClient proxy = Factory.getEMRFileClient();

byte[] bytes = proxy.GetTem_File(code);

if (bytes != null)

{

System.IO.FileStream fs = new System.IO.FileStream(filePath + "\\" + code + ".emr", System.IO.FileMode.OpenOrCreate);

fs.Write(bytes, 0, bytes.Length);

fs.Close();

}

}

using (StreamWriter sw = new StreamWriter(filePath + "\\模板信息", true, Encoding.Default))

{

string repStr = "|";

for (int i = 0; i < dtindex.Rows.Count; i++)

{

int cell = dtindex.Rows[i].ItemArray.GetLength(0) - 1;

string content = string.Empty;

for (int j = 0; j < cell; j++)

{

content += dtindex.Rows[i][j] + repStr;

}

if (content.Contains(repStr))

{

content = content.Remove(content.LastIndexOf(repStr));

}

sw.WriteLine(content);

}

}