// Get users from db and display in gridview
protected void getUsers()
{
// Connect to db
var conn = new a2Entities();
// Select users from db using d as a variable (LINQ format)
var users = from d in conn.AspNetUsers select d;
// Pass query result to gridview
usersGrid.DataSource = users.ToList();
usersGrid.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
// Only do this the first time
if (IsPostBack == false)
{
// Connect to db
var conn = new a2Entities();
// Build asset related dropdown
// http://stackoverflow.com/questions/554649/how-to-bind-linq-data-to-dropdownlist
using (var conn2 = new a2Entities())
{
assets.DataSource = (from a in conn.assets orderby a.createdDate select new { a.callSign, a.Id }).ToList();
assets.DataTextField = Convert.ToString("callSign");
assets.DataValueField = Convert.ToString("Id");
assets.DataBind();
}
assets.Items.Insert(0, new ListItem(" --Select-- ", ""));
// Check if there is parameter being passed in url
if (!String.IsNullOrEmpty(Request.QueryString["logId"]))
{
// Store paramater from url in variable
Int32 logId = Convert.ToInt32(Request.QueryString["logId"]);
// Check that the provided id is valid
// http://stackoverflow.com/questions/4132514/how-to-know-if-my-linq-query-returns-null
var queryValidBool = (from l in conn.logs where l.Id == logId select l).ToList().Any();
// If nothing is returned in the query return user to table of avialable logs
if (queryValidBool == false)
{
Response.Redirect(ResolveUrl("~/private/logs.aspx"));
}
// Look for selected log in db
var logObj = (from l in conn.logs where l.Id == logId select l).FirstOrDefault();
// Render page as log edit
add_log_header.Text = "Edit Log: " + logObj.title;
add_log_button.Text = "Save Changes";
// Populate form with data
title.Text = logObj.title;
notes.Text = logObj.notes;
assets.SelectedValue = Convert.ToString(logObj.assetId);
}
}
}
// Get assets from db and display in gridview
protected void getAssets()
{
// Connect to db
var conn = new a2Entities();
// Select assets from db using d as a variable (LINQ format)
var assets = from d in conn.assets orderby d.Id descending select d;
// Count returned query values
var assetsCount = assets.Count();
// Pass query result to gridview
assetsGrid.DataSource = assets.ToList();
assetsGrid.DataBind();
// Display messege if there are no assets
if (assetsCount == 0)
{
assetsMsg.Text = "There are no assets to display.";
}
}
// Delete asset from gridview
protected void assetsGrid_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
// Get selected row
Int32 rowIndex = e.RowIndex;
// Find the assets's id
Int32 assetId = Convert.ToInt32(assetsGrid.DataKeys[rowIndex].Value);
// Connect to db
var conn = new a2Entities();
// Delete the selected asset
asset d = new asset();
d.Id = assetId;
conn.assets.Attach(d);
conn.assets.Remove(d);
conn.SaveChanges();
// Reload gridview
getAssets();
}
// Delete user from gridview
protected void usersGrid_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
// Get selected row
Int32 rowIndex = e.RowIndex;
// Find the user's id
String userId = Convert.ToString(usersGrid.DataKeys[rowIndex].Value);
// Connect to db
var conn = new a2Entities();
// Delete the selected user
AspNetUser d = new AspNetUser();
d.Id = userId;
conn.AspNetUsers.Attach(d);
conn.AspNetUsers.Remove(d);
conn.SaveChanges();
// Reload gridview
getUsers();
}
// Get assets from db and display in gridview
protected void getData()
{
// Connect to db
var conn = new a2Entities();
// Select recent table additions for dashboard.aspx view
// http://stackoverflow.com/questions/4872946/linq-query-to-select-top-five
var whereCurDateTime = DateTime.Now.AddDays(-7);
// Select assets from db using (LINQ format)
// http://stackoverflow.com/questions/4872946/linq-query-to-select-top-five
var assets = (from a in conn.assets orderby a.Id descending where (a.createdDate > whereCurDateTime) select a).Take(10);
// Count returned query values
var assetsCount = assets.Count();
// Pass query result to gridview
recentAssetsGrid.DataSource = assets.ToList();
recentAssetsGrid.DataBind();
var logs = (from l in conn.logs orderby l.Id descending where (l.createdDate > whereCurDateTime) select l).Take(10);
var logsCount = logs.Count();
// Pass query result to gridview
recentLogsGrid.DataSource = logs.ToList();
recentLogsGrid.DataBind();
// Display messege if there are no recent accets or logs
if (assetsCount == 0)
{
recentAssetsMsg.Text = "There are no recent assets.";
}
if (logsCount == 0)
{
recentLogsMsg.Text = "There are no recent logs.";
}
}
// Delete log from gridview
protected void logsGrid_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
// Get selected row
Int32 rowIndex = e.RowIndex;
// Find the logs's id
Int32 logId = Convert.ToInt32(logsGrid.DataKeys[rowIndex].Value);
// Connect to db
var conn = new a2Entities();
// Delete the selected log
log d = new log();
d.Id = logId;
conn.logs.Attach(d);
conn.logs.Remove(d);
conn.SaveChanges();
// Reload gridview
getLogs();
}
protected void Save_Log(object sender, EventArgs e)
{
Int32 logId = 0;
if (!String.IsNullOrEmpty(Request.QueryString["logId"]))
{
logId = Convert.ToInt32(Request.QueryString["logId"]);
}
var conn = new a2Entities();
log l = new log();
// Get current user id
// http://stackoverflow.com/questions/20925822/asp-mvc5-identity-how-to-get-current-applicationuser
string userId = User.Identity.GetUserId();
var user = (new a2Entities()).AspNetUsers.FirstOrDefault(u => u.Id == userId);
// Attach values to new object
l.authorId = Convert.ToString(user);
l.title = title.Text;
l.notes = notes.Text;
if (!String.IsNullOrEmpty(assets.SelectedValue))
{
l.assetId = Convert.ToInt32(assets.SelectedValue);
}
// Get asset related data
if (!String.IsNullOrEmpty(l.assetId.ToString()))
{
var assetObj = (from a2 in conn.assets where a2.Id == l.assetId select a2).FirstOrDefault();
l.assetCallSign = assetObj.callSign;
}
// Save logObj to db
if (logId == 0)
{
// Get current datetime in EST format
// http://stackoverflow.com/questions/5997570/how-to-convert-datetime-to-eastern-time
var timeUtc = DateTime.UtcNow;
TimeZoneInfo easternZone = TimeZoneInfo.FindSystemTimeZoneById("Eastern Standard Time");
l.createdDate = TimeZoneInfo.ConvertTimeFromUtc(timeUtc, easternZone);
conn.logs.Add(l);
}
// Update log
else
{
l.Id = logId;
conn.logs.Attach(l);
conn.Entry(l).State = System.Data.Entity.EntityState.Modified;
// Make sure created datetime does NOT get updated
conn.Entry(l).Property(o => o.createdDate).IsModified = false;
}
// Save the log changes
conn.SaveChanges();
// Redirect to logs
Response.Redirect(ResolveUrl("~/private/logs.aspx"));
}
protected void Save_Asset(object sender, EventArgs e)
{
// Determine if asset is being updated or added
Int32 assetId = 0;
if (!String.IsNullOrEmpty(Request.QueryString["assetId"]))
{
assetId = Convert.ToInt32(Request.QueryString["assetId"]);
}
var conn = new a2Entities();
asset a = new asset();
// Get current user id
// http://stackoverflow.com/questions/20925822/asp-mvc5-identity-how-to-get-current-applicationuser
string userId = User.Identity.GetUserId();
var user = (new a2Entities()).AspNetUsers.FirstOrDefault(s => s.Id == userId);
// Attach values to new object
a.authorId = Convert.ToString(user);
a.callSign = call_sign.Text;
if (!String.IsNullOrEmpty(year.SelectedValue))
{
a.year = Convert.ToInt32(year.SelectedValue);
}
a.brand = brand.Text;
a.model = model.Text;
a.vin = vin.Text;
// Make sure there is a value to convert before converting to avoid errors
if (!String.IsNullOrEmpty(hours.Text))
{
a.hours = Convert.ToInt32(hours.Text);
}
a.odometerUnit = odometer_unit.SelectedValue;
if (!String.IsNullOrEmpty(odometer.Text))
{
a.odometer = Convert.ToInt32(odometer.Text);
}
if (!String.IsNullOrEmpty(purchased_date.Text))
{
a.purchasedDate = DateTime.ParseExact(purchased_date.Text, "yyyy-MM-dd", null);
}
if (!String.IsNullOrEmpty(price_paid.Text))
{
a.pricePaid = Convert.ToDecimal(price_paid.Text);
}
a.notes = notes.Text;
// Save assetObj to db
if (assetId == 0)
{
// Get current datetime in EST format
// http://stackoverflow.com/questions/5997570/how-to-convert-datetime-to-eastern-time
var timeUtc = DateTime.UtcNow;
TimeZoneInfo easternZone = TimeZoneInfo.FindSystemTimeZoneById("Eastern Standard Time");
a.createdDate = TimeZoneInfo.ConvertTimeFromUtc(timeUtc, easternZone);
conn.assets.Add(a);
}
// Update asset
else
{
a.Id = assetId;
conn.assets.Attach(a);
conn.Entry(a).State = System.Data.Entity.EntityState.Modified;
// Make sure created datetime does NOT get updated
conn.Entry(a).Property(o => o.createdDate).IsModified = false;
}
// Save the asset
conn.SaveChanges();
// Redirect to assets
Response.Redirect(ResolveUrl("~/private/assets.aspx"));
}
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack == false)
{
// Generate dropdown for year
for (int i = 1950; i < DateTime.Now.Year + 1; i++)
{
year.Items.Add(new ListItem(i.ToString(), i.ToString()));
}
// Check if there is parameter being passed in url
if (!String.IsNullOrEmpty(Request.QueryString["assetId"]))
{
// Store paramater from url in variable
Int32 assetId = Convert.ToInt32(Request.QueryString["assetId"]);
// Connect to db
var conn = new a2Entities();
// Check that the provided id is valid
// http://stackoverflow.com/questions/4132514/how-to-know-if-my-linq-query-returns-null
var queryValidBool = (from a in conn.assets where a.Id == assetId select a).ToList().Any();
// If nothing is returned in the query return user to table of avialable assets
if (queryValidBool == false)
{
Response.Redirect(ResolveUrl("~/private/assets.aspx"));
}
// Look for selected asset in db
var assetObj = (from a in conn.assets where a.Id == assetId select a).FirstOrDefault();
// Render page as asset edit
add_asset_header.Text = "Edit Asset: " + assetObj.callSign;
add_asset_button.Text = "Save Changes";
// Populate form with data
call_sign.Text = assetObj.callSign;
year.SelectedValue = Convert.ToString(assetObj.year);
brand.Text = assetObj.brand;
model.Text = assetObj.model;
vin.Text = assetObj.vin;
hours.Text = Convert.ToString(assetObj.hours);
odometer_unit.SelectedValue = Convert.ToString(assetObj.odometerUnit);
if (assetObj.odometer != null)
{
odometer.Text = Convert.ToString(assetObj.odometer);
}
// Check if there is a value before filling input to avoid auto filling of a default value caused by the convert method
if (assetObj.purchasedDate != null)
{
purchased_date.Text = Convert.ToDateTime(assetObj.purchasedDate).ToString("yyyy-MM-dd");
}
// Format string into money if value is present
// http://stackoverflow.com/questions/10615405/how-to-format-string-to-money
if (assetObj.pricePaid != null)
{
price_paid.Text = string.Format("{0:#.00}", Convert.ToDecimal(assetObj.pricePaid));
}
notes.Text = assetObj.notes;
}
}
}
