.Net Excelを読み込み、DataTableのインスタンスコードを返します。
using System;
using Microsoft.SharePoint;
using Microsoft.SharePoint.WebControls;
using System.Data;
using System.IO;
using System.Linq;
using System.Web;
using System.Collections;
using System.Data.OleDb;
using NuctechProject.DTO.Bll;
using System.Collections.Generic;
namespace NuctechProject.Layouts.Project
{
public partial class IntroductionPlan : LayoutsPageBase
{
string url = Common.rootUrl;
private string _strConn; // excel
string pmurl = Common.proUrl;
private UserBLL bll = new UserBLL();
protected void Page_Load(object sender, EventArgs e)
{
hidProid.Value = Request.QueryString["proid"];
}
protected void BtnOK_Click(object sender, EventArgs e)
{
DataTable excelTable = null;
SPSecurity.RunWithElevatedPrivileges(delegate
{
if (BaseInfoTemplateFile.HasFile)
{
List<string> noInput = new List<string>();
string strLoginName = HttpContext.Current.User.Identity.Name; //
string folderTemp = strLoginName.Substring(strLoginName.LastIndexOf('\\') + 1);
try
{
string extension = Path.GetExtension(BaseInfoTemplateFile.FileName); //
if (extension != null)
{
string fileException = extension.ToLower();
if (fileException == ".xlsx" || fileException == ".xls")
{
#region Excel
string fileFolder = Server.MapPath("~/_layouts/15/images/" + folderTemp + "Upfile/");
if (!Directory.Exists(fileFolder)) //
{
Directory.CreateDirectory(fileFolder); //
}
BaseInfoTemplateFile.SaveAs(Server.MapPath("~/_layouts/15/images/" + folderTemp + "Upfile/" + BaseInfoTemplateFile.FileName));
string strFilepathNmae = Server.MapPath("~/_layouts/15/images/" + folderTemp + "Upfile/" + BaseInfoTemplateFile.FileName);
string strExcel = ExcelSheetName(strFilepathNmae)[0].ToString();
excelTable = ExcelDataSource(strFilepathNmae, strExcel).Tables[0];
#endregion
//data excel
DataTable data = ExcelDataSource(strFilepathNmae, strExcel).Tables[0];
//try
//{
if (data != null)
{
foreach (DataRow row in data.Rows)
{
//
}
}
//}
//catch (Exception)
//{
// Page.ClientScript.RegisterStartupScript(Page.ClientScript.GetType(), "myscript", "<script type='text/javascript'>$.ligerDialog.closeWaitting();alert('Excel ， Excel ！');</script>");
// return;
//}
}
else
{
Page.ClientScript.RegisterStartupScript(Page.ClientScript.GetType(), "myscript", "<script type='text/javascript'>$.ligerDialog.closeWaitting();alert(' Excel ！');</script>");
return;
}
}
}
finally //
{
string strFileFolder = Server.MapPath("~/_layouts/15/images/" + folderTemp + "Upfile/");
if (Directory.Exists(strFileFolder)) //
{
//Directory.CreateDirectory(strFileFolder);//
Directory.Delete(strFileFolder, true);
}
else
{
Page.ClientScript.RegisterStartupScript(Page.ClientScript.GetType(), "myscript", "<script type='text/javascript'>ReturnPageValue();</script>");
}
}
}
else
{
Page.ClientScript.RegisterStartupScript(Page.ClientScript.GetType(), "myscript", "<script type='text/javascript'>$.ligerDialog.closeWaitting();alert(' ！');</script>");
return;
}
});
}
protected void BtnClose_Click(object sender, EventArgs e)
{
Page.ClientScript.RegisterStartupScript(Page.ClientScript.GetType(), "myscript", "<script type='text/javascript'>ReturnPageValue();</script>");
}
/// <summary>
/// Excel
/// </summary>
/// <param name="filepath"> </param>
/// <param name="sheetname">sheet </param>
/// <returns></returns>
public DataSet ExcelDataSource(string filepath, string sheetname)
{
_strConn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filepath +
";Extended Properties='Excel 12.0;HDR=YES'";
new OleDbConnection(_strConn);
var oada = new OleDbDataAdapter("select * from [" + sheetname + "]", _strConn);
var ds = new DataSet();
oada.Fill(ds);
return ds;
}
/// <summary>
/// Excel sheetname
/// </summary>
/// <param name="filepath"> </param>
/// <returns></returns>
public ArrayList ExcelSheetName(string filepath)
{
_strConn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filepath +
";Extended Properties='Excel 12.0;HDR=YES'";
var al = new ArrayList();
var conn = new OleDbConnection(_strConn);
conn.Open();
DataTable sheetNames = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables,
new object[] { null, null, null, "TABLE" });
conn.Close();
if (sheetNames != null)
foreach (DataRow dr in sheetNames.Rows)
{
al.Add(dr[2]);
}
return al;
}
}
}