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Injection of radiobuttonlist selected value into class

I want to create a webform with 4 types of phones like: LG, xiaomi, samsung and iphone. They will be in an Array and I will insert them into dynamic radiobuttonList in the page init.
Also, the user will have a textbox where he will put an amount of money he has. The user will also have a button that will calc if he have the budget for the selected phone from the list.
After the user selects the phone, write in the budget and press the button
he will get "in budget" or "not enough budget".
The class have property of the array to insert the all the array from the page init and will have 2 functions:
One function will take the budget number > will go to the 2nd function that will see the selected phone and the budget > do its calcs and return the result into the 1st func that will give the feedback.
Now where I am stuck:
if the class isnt made global - and i put it in init or in button click - it wont work, so im looking for a way to make it work but without putting it global
so far i managed to inject the selected value into a class property and than compare - but i want to know if there is a way that this can happen with array inside class property
maybe if anyone can help me out and refer me to a guide where i can learn more about this subject (how inject selected value into function of a class and etc) ill be glad! as everything i see is C# with console but i work with ASP.NET WEB APPLICATION (.netframework)
enter code here
namespace gfjsr{
public partial class WebForm1 : System.Web.UI.Page{
phone InsertUserInfo = new phone();
protected void Page_init(object sender, EventArgs e){
string[] myArr = new string[] { "samsung", "IPHONE", "XIAOMI","LG"};
RadioButtonList phoneList = new RadioButtonList();
phoneList.ID = "radioList";
for (int i = 0; i< myArr.Length; i++)
{
ListItem li = new ListItem();
li.Text = myArr[i];
li.Value = i.ToString();
phoneList.Items.Add(li);
}
Panel1.Controls.Add(phoneList);
Label budgetLb = new Label();
budgetLb.ID = "budglb";
budgetLb.Text = "write your budget";
Panel1.Controls.Add(budgetLb);
TextBox insertBudg = new TextBox();
insertBudg.ID = "budgTxt";
Panel1.Controls.Add(insertBudg);
Button myBtn = new Button();
myBtn.ID = "btn1";
myBtn.Click += new EventHandler(btn1_click);
myBtn.Text = "result";
Panel1.Controls.Add(myBtn);
Label Labelfeedback = new Label();
Labelfeedback.ID = "feedback";
Labelfeedback.Text = "";
Panel1.Controls.Add(Labelfeedback);
}
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btn1_click(object sender, EventArgs e)
{
InsertUserInfo.phoneChosen = ((RadioButtonList)FindControl("radioList")).SelectedItem.Text;
double UserBudget =
Convert.ToDouble(((TextBox)FindControl("budgTxt")).Text);
InsertUserInfo.BudgetYN(UserBudget);
((Label)FindControl("feedback")).Text = InsertUserInfo.feedback; }}}
namespace gfjsr{
public class phone{
private string _phoneChosen;
public string phoneChosen
{
get { return _phoneChosen; }
set { _phoneChosen = value; }
}
private string _feedback;
public string feedback
{
get { return _feedback; }
set { _feedback = value; }
}
public double Func1(string x)
{
double phonePrice = 0;
if( x == "samsung")
{
phonePrice = 4000;
}
if (x == "IPHONE")
{
phonePrice = 3500;
}
if (x == "XIAOMI")
{
phonePrice = 3000;
}
if (x == "LG")
{
phonePrice = 2000;
}
return phonePrice;
}
public void BudgetYN(double y)
{
if(y >= Func1(_phoneChosen))
{
_feedback = "positive";
}
else
{
_feedback = "no";
}
}
}
}

How to display value from not selected combobox c#

I need to display an unselected ComboBox value.
I have 10 ComboBoxes with tag values 1 through 10.
When I select a ComboBox with a tag value of 1, I have to check what is displayed from the ComboBox that has a tag value of 2.
Selecting a ComboBox with a tag value of 5 should give me the value of the ComboBox that has a tag value of 6.
public partial class workPlacePlan : Form
{
public workPlacePlan()
{
InitializeComponent();
}
private void workPlacePlan_Load(object sender, EventArgs e)
{
this.MaximumSize = this.Size;
this.MinimumSize = this.Size;
int cboId;
int i = 1;
string cboName; int c = 1;
var items = new Dictionary<int, string>();
ComboBox[] cbo = {
cbo_1, cbo_2
};
foreach(ComboBox cbos in cbo)
{
items.Add(0, "-------");
i = 1;
while (i <= 24)
{
cboId = i;
cboName = TimeSpan.FromHours(i).ToString("hh':'mm");
items.Add(cboId, cboName);
i++;
}
cbos.Tag = c;
cbos.DataSource = new BindingSource(items, null);
cbos.DisplayMember = "Value";
cbos.ValueMember = "Key";
items.Clear();
cbos.SelectedIndexChanged += new EventHandler(cboSelected);
c++;
}
}
public void cboSelected(object sender, EventArgs e)
{
ComboBox cb = ((ComboBox)sender);
int i_tmp;
int tg = Int32.Parse(cb.Tag.ToString());
if(tg % 2 == 0) //if is even
{
i_tmp= tg - 1;
}
else
{
i_tmp = tg + 1;
}
}
private void cmd_Save_Click(object sender, EventArgs e)
{
}
}

Solution:
public partial class workPlacePlan : Form
{
public workPlacePlan()
{
InitializeComponent();
}
private void workPlacePlan_Load(object sender, EventArgs e)
{
this.MaximumSize = this.Size;
this.MinimumSize = this.Size;
int cboId;
int i = 1;
string cboName; int c = 1;
var items = new Dictionary<int, string>();
ComboBox[] cbo = {
cbo_1_0, cbo_1_1, cbo_2_0, cbo_2_1, cbo_3_0, cbo_3_1, cbo_4_0, cbo_4_1, cbo_5_0, cbo_5_1, cbo_6_0, cbo_6_1,
cbo_13_0,cbo_13_1,cbo_14_0,cbo_14_1,cbo_15_0,cbo_15_1,cbo_16_0,cbo_16_1,cbo_17_0,cbo_17_1,cbo_18_0,cbo_18_1,
cbo_19_0,cbo_19_1
};
foreach(ComboBox cbos in cbo)
{
items.Add(0, "-------");
i = 1;
while (i <= 24)
{
cboId = i;
cboName = TimeSpan.FromHours(i).ToString("hh':'mm");
items.Add(cboId, cboName);
i++;
}
cbos.Tag = c;
cbos.DataSource = new BindingSource(items, null);
cbos.DisplayMember = "Value";
cbos.ValueMember = "Key";
cbos.SelectedIndex = 0;
items.Clear();
cbos.SelectedIndexChanged += new EventHandler(cboSelected);
c++;
}
}
public void cboSelected(object sender, EventArgs e)
{
ComboBox cb = ((ComboBox)sender);
int i_tmp;
int tg = Int32.Parse(cb.Tag.ToString());
int idx;
if(tg % 2 == 0) //if is even
{
i_tmp= tg - 1;
}
else
{
i_tmp = tg + 1;
}
//string y = cb.GetItemText(cb.SelectedItem);
//MessageBox.Show(y.ToString());
foreach (ComboBox cbt in panel1.Controls.OfType<ComboBox>()) {
if(Int32.Parse(cbt.Tag.ToString()) == Int32.Parse(i_tmp.ToString()))
{
idx = Int32.Parse(cbt.SelectedIndex.ToString());
cbt.SelectedIndex = idx;
MessageBox.Show(cbt.SelectedIndex.ToString());
}
}
}
private void cmd_Save_Click(object sender, EventArgs e)
{
}
}

How do I map an array field to multiple columns in a WinForms DataGridView using a DataSource binding?

I have a class like this:
public class PricingRecord
{
private string _name;
private float[] _prices;
public PricingRecord(string name, float[] prices)
{
_name = name;
_prices = prices;
}
[DisplayName("Name")]
public string PricingName => _name;
public float[] Prices => _prices;
}
I want to map "Prices" to "Price 1", "Price 2", etc. columns in a DataGridView. I can get the columns to appear, but don't know how to make the mapping work.
Here's the main window:
public partial class MainForm : Form
{
private int _numPricingColumns;
private BindingList<PricingRecord> _records;
public MainForm()
{
InitializeComponent();
SetupPricingData();
SetupGridView();
}
private void SetupPricingData()
{
_records = new BindingList<PricingRecord>();
for (int i = 0; i < 100; i++)
{
var pricing = new PricingRecord($"Name {i + 1}", new [] { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f });
_records.Add(pricing);
}
_numPricingColumns = _records[0].Prices.Length;
GridView.DataSource = _records;
}
private void SetupGridView()
{
//GridView.AutoGenerateColumns = false;
//DataGridViewColumn column = new DataGridViewTextBoxColumn
//{
// Name = "Name",
// DataPropertyName = "PricingName"
//};
//GridView.Columns.Add(column);
for (int i = 0; i < _numPricingColumns; i++)
{
DataGridViewColumn column = new DataGridViewTextBoxColumn
{
Name = $"Price {i + 1}",
DataPropertyName = $"Price{i + 1}"
};
GridView.Columns.Add(column);
}
}
}
If I don't use BindingView I can set it up all by hand, but then I have to maintain the rows and columns myself. I'd like to use BindingView but this doesn't seem to support mapping many columns to an array.

I found I could get the pricing columns to be handled by drawing them. The use I needed was readonly so this is my solution for now:
private void OnCellPainting(object sender, DataGridViewCellPaintingEventArgs e)
{
for (int i = 0; i < _numPricingColumns; i++)
{
var name = $"Price {i + 1}";
var column = GridView.Columns[name];
if (column.Index == e.ColumnIndex && e.RowIndex >= 0)
{
var row = GridView.Rows[e.RowIndex];
var record = row.DataBoundItem as PricingRecord;
if (record != null)
{
var selected = (e.State & DataGridViewElementStates.Selected) != 0;
using (var brush = new SolidBrush(selected ? e.CellStyle.SelectionForeColor : e.CellStyle.ForeColor))
{
e.PaintBackground(e.ClipBounds, selected);
e.Graphics.DrawString(record.Prices[i].ToString("N"), e.CellStyle.Font, brush,
e.CellBounds.X + 2.0f, e.CellBounds.Y + 2.0f, StringFormat.GenericDefault);
e.Handled = true;
}
}
}
}
}

A faster and more flexible solution proved to be dropping BindingList and directly poking the cells in the grid. The need to map an array field to multiple columns becomes moot as it's done by hand.

Loop all textbox and collect values in c# asp.net

I'm trying to get a list of strings from the database.
For each string in the list i want to add a label & textbox to the page.
On button submit I want to collect the textbox value as well as the corresponding label value then save it to the database.
I need help retrieving the values from the textboxes.
What I have so far:
Panel1 is on the aspx page
protected List<string> items = MyClass.GetItems();
protected void Page_Load(object sender, EventArgs e)
{
GenerateItemsTable();
}
private void GenerateItemsTable()
{
Table table = new Table();
table.ID = "Table1";
//PlaceHolder1.Controls.Add(table);
Panel1.Controls.Add(table);
foreach (var x in items)
{
TableRow row = new TableRow();
for (int y = 0; y < 1; y++)
{
TableCell labelCell = new TableCell();
labelCell.Controls.Add(CreateLabel(x));
labelCell.CssClass = "tdLabel";
row.Cells.Add(labelCell);
TableCell txbCell = new TableCell();
txbCell.Controls.Add(CreateRadNumericTextBox(x));
txbCell.Width = 30;
row.Cells.Add(txbCell);
TableCell dataTypeCell = new TableCell();
dataTypeCell.Text = "<span style='font-size: 10px; color: #777'>(student count)</span>";
dataTypeCell.Width = 100;
row.Cells.Add(dataTypeCell);
TableCell fourthCell = new TableCell();
if (x == items[items.Count - 1])
{
RadButton rb = new RadButton();
rb.ID = "submit";
rb.Text = "Submit Guidance";
rb.Skin = "Forest";
rb.Click += new EventHandler(submit_Click);
rb.AutoPostBack = true;
fourthCell.Controls.Add(rb);
row.Cells.Add(fourthCell);
}
else
{
row.Cells.Add(fourthCell);
}
}
table.Rows.Add(row);
}
}
private RadNumericTextBox CreateRadNumericTextBox(string x)
{
RadNumericTextBox rntb = new RadNumericTextBox();
rntb.ID = x;
rntb.Width = 40;
return rntb;
}
private Label CreateLabel(string x)
{
Label l = new Label();
l.ID = "label_" + x;
l.Text = "<label>" + x + "</label>";
return l;
}
protected void submit_Click(object sender, EventArgs e)
{
foreach (Control x in FindControl("Panel1").FindControl("Table1").Controls)
{
if (x is RadNumericTextBox)
{
//how to get the data??????/
}
}
}
(thanks to those that actually read the whole post)
-----------------updated solution--------------------------------------------
I decided to change it and store the list from the db at page_load. With the list stored i loop through the list and use FindControl() to access the textboxes. Something like this..
//a couple containers
protected class ItemVal
{
public int Value { get; set; }
public string Name { get; set; }
}
protected List<ItemVal> items = new List<ItemVal>();
//get the list from that database
protected void GetItems()
{
foreach (var x in MyClass.GetItems())
{
ItemVal i = new ItemVal();
i.Name = x;
items.Add(i);
}
}
//submit
protected void submit_Click(object sender, EventArgs e)
{
foreach (var x in items)
{
RadNumericTextBox rntb = FindControl(x.Name) as RadNumericTextBox;
x.Value = (int)rntb.Value;
}
}

You need to cast x to a RadNumericTextBox and then pull out the property values you want, like this:
RadNumericTextBox theRadNumericTextBox = x as RadNumericTextBox;
string val = theRadNumericTextBox.Text;
Then for the other controls you want, you will need to put if conditions for their types, like this:
if (x is Label)
{
Label theLabel = x as Label;
string valLabel = theLabel.Text;
}
Here is the full code for the method:
protected void submit_Click(object sender, EventArgs e)
{
foreach (Control x in FindControl("Panel1").FindControl("Table1").Controls)
{
Label theLabel;
RadNumericTextBox theRadNumericTextBox;
if (x is RadNumericTextBox)
{
RadNumericTextBox theRadNumericTextBox = x as RadNumericTextBox;
string val = theRadNumericTextBox.Text;
}
if (x is Label)
{
Label theLabel = x as Label;
string valLabel = theLabel.Text;
}
// Either store up in a list or save to the database on each loop; it is recommended to store a list and send all the changes at once for a database save, but that is your choice
}
}

C# reassigning array values(down one step ex 5-4) that are within an object during a event

Just learning C# (along with object and event programing) and the teacher didn't really show us how to get things done.
class Postion
{
private int[] x_coordinate = new int[100];
private int[] y_coordinate = new int[100];
private double[] speed = new double[100];
private int[] direction = new int[100];
const int MAX_SPEED = 50;
int counter = 0;
public Postion()
{
x_coordinate[counter] = 0;
y_coordinate[counter] = 0;
speed[counter] = 0;
direction[counter] = 0;
}
//get set methods
public int X
{
get
{
return x_coordinate[counter];
}
set
{
x_coordinate[counter] = value;
}
}
There is one more Class between them
The values are frist assigned by a button click.
Airplane newplane = new Airplane();
private void BtnCreate_Click(object sender, EventArgs e)
{
bool box = txtName.Text != "";
if (box == true)
newplane.Name = txtName.Text;
else { }
box = txtx.Text != "";
if (box == true)
newplane.PlanePostion.X = int.Parse(txtx.Text);
else { }
Etc.
I can call on the array values for display for the list box.
private void lsbplanes_SelectedIndexChanged(object sender, EventArgs e)
{
placeholder = newplane.PlanePostion.Counter;
newplane.PlanePostion.Counter = lsbplanes.SelectedIndex;
if (newplane.PlanePostion.Counter < 0)
newplane.PlanePostion.Counter = 0;
else { }
lblxshow.Text = Convert.ToString(newplane.Getx());
but when using a destroy button to remove an item in the list box I need to have it so the box updates with the new values when the user selects the item in the listbox.
This is what I have to try and do it so far, it sets all the ones above to 0s but does remove the the deleted one fine
private void BtnKill_Click(object sender, EventArgs e)
{
if (lsbplanes.SelectedIndex == -1)
{
MessageBox.Show("Please select an item first.", "No item selected", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
placeholder = lsbplanes.SelectedIndex;
newplane.PlanePostion.Counter = lsbplanes.Items.Count;
while (newplane.PlanePostion.Counter > placeholder)
{
placex = newplane.PlanePostion.X;
placey = newplane.PlanePostion.Y;
placespeed = newplane.Getspeed();
placedic = newplane.Getdirection();
newplane.PlanePostion.Counter--;
newplane.PlanePostion.X = placex;
newplane.PlanePostion.Y = placey;
newplane.PlanePostion.Speed = placespeed;
newplane.PlanePostion.Direction = placedic;
}
lsbplanes.Items.RemoveAt(lsbplanes.SelectedIndex);
newplane.PlanePostion.Counter = lsbplanes.Items.Count;
}
anyone can help me on this?

I was torn in this question, answer exactly what your problem is, or suggest that you redesign it.
#Marc is right you should be using some sort of List<Position> on your Plane object (or a ReadOnlyObservableCollection<Position>).
#Marc is also right, that the problem you are having is that you are trying to push the values down from the end of the list and overwriting them. In these cases it is better to start from the deletion point and pull them down.
So if you have {1,2,3,4,5,6,7,8,9,10} and you delete from item 5, you would have {1,2,3,4,10,10,10,10,10,10}. The code below will let you end up with {1,2,3,4,6,7,8,9,0}
placeholder = lsbplanes.SelectedIndex;
int idx = placeholder;
while (idx < lsbplanes.Items.Count)
{
newplane.PlanePosition.Counter = idx+1;
placex = newplane.PlanePostion.X;
placey = newplane.PlanePostion.Y;
placespeed = newplane.Getspeed();
placedic = newplane.Getdirection();
newplane.PlanePostion.Counter = idx;
newplane.PlanePostion.X = placex;
newplane.PlanePostion.Y = placey;
newplane.PlanePostion.Speed = placespeed;
newplane.PlanePostion.Direction = placedic;
idx++;
}
// Need to zero out elements at the end
newplant.PlanePosition.Counter = lsbplanes.Items.Count;
/* Zeroing code goes here */
newplane.PlanePosition.Counter = placeholder;
lsbplanes.Items.RemoveAt(lsbplanes.SelectedIndex);