public static void ProductTeacherReport(DataTable dts)
    {

        DataTable dt 
= dts;
        
if (dt.Rows.Count == 0return;
        System.Text.StringBuilder sb 
= new System.Text.StringBuilder();
        MemoryStream ms 
= new MemoryStream();
        
foreach (DataColumn dc in dt.Columns)
        {
            sb.Append(dc.ColumnName 
+ Convert.ToChar(9));
        }

        
for (int i = 0; i < dt.Rows.Count; i++)
        {
            sb.Append(
"\r");
            
for (int j = 0; j < dt.Columns.Count; j++)
            {
              
                sb.Append( dt.Rows[i][j].ToString() 
+ Convert.ToChar(9));
            }
        }
        StreamWriter sw 
= new StreamWriter(ms);
        sw.Write(sb.ToString());

        
string fileName ="teacher_" + DateTime.Now.Ticks + ".xls";
        HttpContext.Current.Response.AddHeader(
"Content-Disposition""attachment;fileName=" + fileName);
        HttpContext.Current.Response.ContentEncoding 
= System.Text.Encoding.Unicode;
        HttpContext.Current.Response.ContentType 
= "application/ms-excel";
        HttpContext.Current.Response.BinaryWrite(ms.ToArray());
    }
没有时间写注释说明,上班偷偷发的哦

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