今天用了几个小时也没有找到将datagrid导出为excel的方法，搜索msdn发现，老外也木有解决这个问题，因此把代码贴出来，和大家分享一下，提高工作效率。简要说一哈，本程序使用反射，因此代码量看起来，很少，但是执行效率，还在没有进行优化处理。
#region wpf客户端 导出DataGrid数据到Excel
/// <summary>
/// CSV格式化
/// </summary>
/// <param name="data">数据</param>
/// <returns>格式化数据</returns>
private static string FormatCsvField(string data)
{
return String.Format("\"{0}\"", data.Replace("\"", "\"\"\"").Replace("\n", "").Replace("\r", ""));
}
/// <summary>
/// 导出DataGrid数据到Excel
/// </summary>
/// <param name="withHeaders">是否需要表头</param>
/// <param name="grid">DataGrid</param>
/// <param name="dataBind"></param>
/// <returns>Excel内容字符串</returns>
public static string ExportDataGrid(bool withHeaders, System.Windows.Controls.DataGrid grid, bool dataBind)
{
try
{
var strBuilder = new System.Text.StringBuilder();
var source = (grid.ItemsSource as System.Collections.IList);
if (source == null) return "";
var headers = new List<string>();
List<string> bt = new List<string>();
foreach (var hr in grid.Columns)
{
// DataGridTextColumn textcol = hr. as DataGridTextColumn;
headers.Add(hr.Header.ToString());
if (hr is DataGridTextColumn)//列绑定数据
{
DataGridTextColumn textcol = hr as DataGridTextColumn;
if (textcol != null)
bt.Add((textcol.Binding as Binding).Path.Path.ToString()); //获取绑定源
}else if(hr is DataGridTemplateColumn)
{
if(hr.Header.Equals("操作"))
bt.Add("Id");
}
else
{
}
}
strBuilder.Append(String.Join(",", headers.ToArray())).Append("\r\n");
foreach (var data in source)
{
var csvRow = new List<string>();
foreach(var ab in bt)
{
string s = ReflectionUtil.GetProperty(data, ab).ToString();
if(s!=null)
{
csvRow.Add(FormatCsvField(s));
}
else
{
csvRow.Add("\t");
}
}
strBuilder.Append(String.Join(",", csvRow.ToArray())).Append("\r\n");
// strBuilder.Append(String.Join(",", csvRow.ToArray())).Append("\t");
}
return strBuilder.ToString();
}catch(Exception ex)
{
LogHelper.Error(ex);
return "";
}
}
/// <summary>
/// 导出DataGrid数据到Excel为CVS文件
/// 使用utf8编码 中文是乱码 改用Unicode编码
///
/// </summary>
/// <param name="withHeaders">是否带列头</param>
/// <param name="grid">DataGrid</param>
public static void ExportDataGridSaveAs(bool withHeaders, System.Windows.Controls.DataGrid grid)
{
try
{
string data = ExportDataGrid(true, grid, true);
var sfd = new Microsoft.Win32.SaveFileDialog
{
DefaultExt = "csv",
Filter = "CSV Files (*.csv)|*.csv|All files (*.*)|*.*",
FilterIndex =
};
if (sfd.ShowDialog() == true)
{
using (Stream stream = sfd.OpenFile())
{
using (var writer = new StreamWriter(stream, System.Text.Encoding.Unicode))
{
data = data.Replace(",", "\t");
writer.Write(data);
writer.Close();
}
stream.Close();
}
}
MessageBox.Show("导出成功！");
}catch(Exception ex)
{
LogHelper.Error(ex);
}
}
#endregion 导出DataGrid数据到Excel
}