protected void GrdUploadDocument_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            try
            {
                string[] confirmValue = Request.Form["confirm_value"].Split(',');
                if (confirmValue[confirmValue.Length - 1] == "Yes")
                {
                    EWA_UploadDocument ObjEWA = new EWA_UploadDocument();
                    BL_UploadDocument  ObjBL  = new BL_UploadDocument();

                    ObjEWA.Action             = "DeleteUploadDocument";
                    ObjEWA.UploadDocReceiptId = GrdUploadDocument.DataKeys[e.RowIndex].Values["UploadDocReceiptId"].ToString();
                    ObjBL.DeleteUploadDocument_BL(ObjEWA);
                    BindGridView();
                }
            }
            catch (Exception ex)
            {
            }
        }
        //Send
        protected void btnSend_Click(object sender, EventArgs e)
        {
            try
            {
                EWA_UploadDocument ObjEWA = new EWA_UploadDocument();
                BL_UploadDocument  ObjBL  = new BL_UploadDocument();

                ObjEWA.Action   = "FetchStudent";
                ObjEWA.OrgId    = Session["OrgId"].ToString();
                ObjEWA.CourseId = ddlCourse.SelectedValue.ToString();
                ObjEWA.BranchId = ddlBranch.SelectedValue.ToString();
                ObjEWA.ClassId  = ddlClass.SelectedValue.ToString();
                //ObjEWA.DivisionId = ddlDivision.SelectedValue.ToString();
                SqlCommand cmd1 = new SqlCommand("	SELECT s.UserCode as 'StudentId' FROM tblStudent s where s.CourseId='"+ ddlCourse.SelectedValue.ToString() + "' and s.ClassId='" + ddlClass.SelectedValue.ToString() +
                                                 "' and s.BranchId='" + ddlBranch.SelectedValue.ToString() + "' and OrgId='" + Session["OrgId"].ToString() + "'", cn);
                SqlDataAdapter adp1 = new SqlDataAdapter();
                DataSet        ds1  = new DataSet();
                adp1.SelectCommand = cmd1;
                adp1.Fill(ds1);
                //       DataSet ds = ObjBL.StudentBind_BL(ObjEWA);
                if (ds1 == null)
                {
                    return;
                }
                ObjEWA.StudentDataTable = ds1.Tables[0];
                ObjEWA.Action           = "SaveUploadDocument";
                ObjEWA.FacultyId        = Session["UserCode"].ToString();
                ObjEWA.MessageContent   = txtMessage.Text;
                ObjEWA.UploadPurpose    = Convert.ToInt32(rbtnPurpose.SelectedValue);

                if (rbtnPurpose.SelectedItem.Text.Equals("Home Work/Assignment"))
                {
                    ObjEWA.Subject = DDSubject.SelectedValue.ToString();
                }
                else
                {
                    ObjEWA.Subject = txtSubject.Text;
                }
                int fileLengthInKB = 0;
                if (flpUploadFile.HasFile)
                {
                    int length = flpUploadFile.PostedFile.ContentLength;
                    ObjEWA.Data        = new byte[length];
                    ObjEWA.FileName    = flpUploadFile.PostedFile.FileName.ToString();
                    ObjEWA.ContentType = flpUploadFile.PostedFile.ContentType;
                    fileLengthInKB     = flpUploadFile.PostedFile.ContentLength / 1024;
                    HttpPostedFile file = flpUploadFile.PostedFile;
                    file.InputStream.Read(ObjEWA.Data, 0, length);
                }
                else
                {
                    ObjEWA.Data        = null;
                    ObjEWA.FileName    = "";
                    ObjEWA.ContentType = "";
                }
                if (fileLengthInKB > 1024)
                {
                    msgBox.ShowMessage("Document should be less than or equal to 1MB !!!", "Information", UserControls.MessageBox.MessageStyle.Successfull);
                }
                else
                {
                    int flag = ObjBL.UploadDocument_BL(ObjEWA);
                    msgBox.ShowMessage("Document Upload Successfully !!!", "Saved", UserControls.MessageBox.MessageStyle.Successfull);
                    clear();
                }
            }
            catch (Exception ex)
            {
                msgBox.ShowMessage("Unable to Save !!!", "Saved", UserControls.MessageBox.MessageStyle.Successfull);
            }
        }