public ActionResult DeleteConfirmed(long? id)
{
//Delete a Record in the database
var db = new PostsDataContext();
Post post = db.Posts.Find(id);
db.Posts.Remove(post);
db.SaveChanges();
return RedirectToAction("Index");
}
public ActionResult Create(Post post, HttpPostedFileBase file)
{
if (ModelState.IsValid)
{
//Save Posts the Databse
var db = new PostsDataContext();
db.Posts.Add(post);
db.SaveChanges();
}
DataSet ds = new DataSet();
var requestFile = Request.Files["file"];
var requestFileUpload = Request.Files["FileUpload"];
if (file == null)
{
return null;
}
else if (requestFile.ContentLength > 0)
{
string fileExtension = System.IO.Path.GetExtension(requestFile.FileName);
if (fileExtension == ".xls" || fileExtension == ".xlsx")
{
string fileLocation = Server.MapPath("~/Content/uploads/") + requestFile.FileName;
try
{
if (System.IO.File.Exists(fileLocation))
{
System.IO.File.Delete(fileLocation);
}
else
{
Debug.WriteLine("File does not exist.");
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
requestFile.SaveAs(fileLocation);
string excelConnectionString = string.Empty;
//connect to the Database
excelConnectionString = "Data Source=(LocalDB)\\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\asp_blog.Models.PostsDataContext.mdf;Integrated Security=True";
//connect to Excel xls file format
if (fileExtension == ".xls")
{
excelConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + fileLocation + ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=2\"";
}
else if (fileExtension == ".xlsx")
{
excelConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileLocation + ";Extended Properties=\"Excel 12.0;HDR=Yes;IMEX=2\"";
}
//Create Connection to Excel via OleDbConnect
OleDbConnection excelConnection = new OleDbConnection(excelConnectionString);
excelConnection.Open();
DataTable dt = new DataTable();
dt = excelConnection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
if (dt == null)
{
return null;
}
String[] excelSheets = new String[dt.Rows.Count];
int t = 0;
//Save Excel Data in This Temp File
foreach (DataRow row in dt.Rows)
{
excelSheets[t] = row["TABLE_NAME"].ToString();
t++;
}
OleDbConnection excelConnection1 = new OleDbConnection(excelConnectionString);
string query = string.Format("Select * FROM [{0}]", excelSheets[0]);
using (OleDbDataAdapter dataAdapter = new OleDbDataAdapter(query, excelConnection1))
{
dataAdapter.Fill(ds);
}
}
if (fileExtension.ToLower().Equals(".xml"))
{
string fileLocation = Server.MapPath("~/Content/uploads/") + requestFileUpload.FileName;
if (System.IO.File.Exists(fileLocation))
{
System.IO.File.Delete(fileLocation);
}
requestFileUpload.SaveAs(fileLocation);
XmlTextReader xmlreader = new XmlTextReader(fileLocation);
ds.ReadXml(xmlreader);
xmlreader.Close();
}
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
string conn = ConfigurationManager.ConnectionStrings["asp_blog.Models.PostsDataContext"].ConnectionString;
SqlConnection con = new SqlConnection(conn);
string query = "Insert into Posts(Title,Description) Values('" + ds.Tables[0].Rows[i][0].ToString() + "','" + ds.Tables[0].Rows[i][1].ToString() + "')";
con.Open();
SqlCommand cmd = new SqlCommand(query, con);
cmd.ExecuteNonQuery();
con.Close();
}
}
return RedirectToAction("Index");
}
public ActionResult Edit([Bind(Include = "Id,Title,Description")] Post post)
{
if (ModelState.IsValid)
{
var db = new PostsDataContext();
db.Entry(post).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");
}
return View(post);
}