C Sharp :: How To Compare Value With Same Textbox In C#

Jan 26, 2015

I have a text format like this:

12-22-24-22-33-13

When user click a button then check for duplicated number in that text. How to handle this in C#.

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C Sharp :: How To Add Textbox In Datatable In C#

Feb 13, 2013

how to add textbox in datatable in c#

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C Sharp :: Sum Of 2 Textboxes And Then Getting Total In Last Textbox

Oct 3, 2014

I am trying to get 2 numbers from 2 textboxs and get a return sum in the third textbox. the strange thing is that i got it to work with this code that i am going to provide on the last app i worked on, now on the new app i am on it doesnt work at all.. I am not getting any Errors, just shows a zero when i calculate to the sum of the total textbox.

int sum1 = 0;
            int sum2 = 0;
            int result = 0;  
            if (int.TryParse(txtPrice.Text, out sum1) & int.TryParse(txtQuantity.Text, out sum2))
                result = sum1 * sum2;
            txtSubTotal.Text = result.ToString();  

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C Sharp :: How To Find Textbox Value In Datagridview

Oct 20, 2014

How to find getthe textbox value in a datagridview & how to delete it?

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C Sharp :: Passing Values In Another Textbox?

Apr 27, 2012

I have an ms access database with 2 tables in it which I named Customers and Products. I am using visual studio 2010, in my windows form I have 4 textboxes and 3 button in it, for my 1st textbox when I entered one of my ProductCode such as 10111, then press the Display button, the other remaining 3 textboxes should populate and display the following;

ProductID: CH001
ProductName: Chocolate Strawberry
ProductCode: 10111

Then the 2 remaining button named NEXT and PREVIOUS, should be able to display all my product name with 10111 product code.

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C Sharp :: Setting A Limit For The Textbox?

Jul 18, 2014

I have managed to make text dynamically appear in a text-box while I enter text into another.

how ever I would like to know to to limit the amount of text that is dynamically entered(I'd say about 10 characters at most).

here's a sample of what I have done so far:

Random r = new Random();
int IDrandom = r.Next(0, 9);
Emp_ID.Text += IDrandom.ToString();  
//Emp_ID.MaxLength = 10; does not work  

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C Sharp :: How To Convert Textbox Value To String Value

Dec 26, 2014

i create two forms add a password in first form throgh user input and second form will open i want that password will automatically be added to second form. first form is ok working according to my expactations but problem that it does not enter pssword in second form i reference that textbox that is

stdfrm std=new std();
std.a=txtpwd;

it displays an error that cannot implicitly convert type system.windows.forms.textbox to string

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C Sharp :: Increment Value Of Textbox And Save It In Database

Dec 24, 2012

I have a text box invoice no on windows form and i need to retrieve data from database and everytime user click on the add button the invoice no should increment by 1...

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C Sharp :: Using Textbox To Be Added To Listview Column

Oct 4, 2014

I have 3 columns already made Product, Price, Quantity, - what I want to do is take the textbox's txtName, txtPrice, txtQuantity, and add them to the columns in the right specific places.

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C Sharp :: Data From Datagrid To Textbox In Another Form

Apr 17, 2012

How do I order the value of the selected cell in a datagrid to textbox in another form

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C Sharp :: How To Save Filepath In Textbox By Using OpenFileDialog

Nov 21, 2012

how to save the filepath in textbox by using OpenFileDialog

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C Sharp :: Using Textbox To Filter From DataGridView And SQLite Database

Mar 11, 2013

I'm trying to get some more user friendly things in my program done. Now I'm trying to filter by typing in a text box and it filters to what you are typing and shows the entire row.

This is what I currently have:

private void txtFilter_TextChanged(object sender, EventArgs e) {
            try  {
                SQLiteConnection connect = new SQLiteConnection(connString);
                connect.Open();

[Code] ....

I get an exception error though:

SQLite error
near "'N'": syntax error

// N is what I started typing to start the filter.

Ok, so I've edited the code now to this:

private void txtFilter_TextChanged(object sender, EventArgs e) // FILTER TODO {
                DataView view = new DataView();
                SQLiteConnection connect = new SQLiteConnection(connString);
                connect.Open();
                view.RowFilter = "Channel like '%" + txtFilter.Text + "%'";
        }

No more exception errors, just not what I want it to do. It just keeps everything there.

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C Sharp :: How To Fill In HTML Textbox From Windows Application

Apr 19, 2012

1. Open a browser and navigate to a URL (manually)

I would like to do the following from a windows application:

2. I will click "Fill data" button from Windows screen,

3. We have to identify what are the browsers opened in the PC and which browser has correct URL

4. Once the correct browser is identified with the URL, we have to fill in data (received from scanner) in the html page opened in the browser.

How to achieve above functionality.

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C Sharp :: Compile SQL Table Using Dropdown List Boxes Into TextBox

Sep 11, 2012

I am completely new to SQL server i know a few of the basics. I have a VS2010 asp.net c# application with two dropdown listboxes and a textbox. I need to calculate the numbers e.g 3 + 3 = Medium, using the table below to calculate the answer so i can insert the output value into a textbox.

Table
12345
1ColdColdColdColdHOT
2ColdColdColdMediumHOT
3ColdMediumMediumHOTHOT
4MediumMediumMediumHOTHOT
5MediumMediumMediumHOTHOT
Drop down Listbox3Drop down Listbox3

TextBoxMedium

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C Sharp :: Search Text In Rich Textbox And Move The Cursor Position To It?

Mar 16, 2013

how to search a text in rich textbox & move the curser position to it while highlighting it...

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C Sharp :: Calculate The Total And Compare All Row In Datagridview?

Dec 3, 2012

I have a window form with datagridview,textbox,button and listbox. In datagridview i have added a column. In first row i have given the value like 7000,

second row 2500,
third row 7000,
fourth row 1000,
fifth 1300,
sixth 9000....n number of row:

if i enter 12000 in textbox1 then it will calculate the total in particular rows in datagridview.And the total should be less than 12000 what we have entered the value in textbox1.

The result will display in listbox..

like first greater value is 9000+2500=11500 ,
second greater value 7000+1000+1300=9500,
other third greater value is 7,000.

So i have given a sample code where i cannot get the solution ..

  double search;
            search = double.Parse(textBox1.Text);
            double sum = 0;
            for (int i = 0; i < dataGridView1.Rows.Count - 1; i++) {
                double se2 = Convert.ToDouble(dataGridView1.Rows[i].Cells[0].Value.ToString());
                if (se2 == search) {

[code]....

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C Sharp :: Compare Date In Registry With Local Time?

Feb 2, 2013

The first time my application opens up, it should get the local date out of the System and store this in a registry key. But the second time it should get the date stored in that registryKey and compare it to the date right now.And there is where I am stuck, I just don't know how to get the date out of that key and compare it to the date right now.

This is my code:

RegistryKey key1;  
        private void btnTrial_Click(object sender, EventArgs e) {
            DateTime current = DateTime.Now;  
            key1 = Registry.CurrentUser.OpenSubKey("myKey");    
            if (key1 == null)

[code]....

at the last "if" statement it should compare the date stored in the key with the DateTime.Now.

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C# :: How To Use Textbox For Richtextbox

Nov 22, 2014

This is a simple dictionary program, richtextbox is used for a results

but i wants to use textbox as a richtext box

(ex:money = dollar,penny,rupees)
as a list : dollarpennyrupees

/> /> /> />

Project 2 Dic.txt = Project 2 Dic.rar

Attached File(s) : Project 2 Dic.txt (61.32K)

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C# :: Searching DB For Value In Textbox (WPF)

Nov 3, 2014

WPF window I'm working on. I have a window that has a textbox to enter a name to search a database table for, and when the search button is clicked, the ID for that username will be returned to a separate textbox. The code I've written atm doesn't seem to be working, but it looks fine to me. Here's what I've got;

private void btn_SearchUsers_Click(object sender, RoutedEventArgs e)
{
if (!string.IsNullOrWhiteSpace(txtb_SearchName.Text))
{
SqlConnection sqlCon = new SqlConnection(conStr);

[Code] .....

So, I have the value entered into the textbox to be searched for stored in a variable, I'm selecting the ID from the table when the name in the variable is found, storing the result in a DataTable, and then in my foreach loop, if I find the name (the name column being index 1 in the table), I set set the ID result textbox to equal the ID for that name (the ID column being index 0 in the table). I think the foreach part is what's throwing me off. Maybe the column stuff? My Users table is like;

ID Name
1 John
2 Roger
3 Mike

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C# :: How To Put Text Into Textbox

Jul 30, 2014

In my code below the first textbox.appendtext works but the second, textbox1.appendtext(i);, gives an error;

The name 'textbox1' does not exist in the current context (CS0103).

Is it possible to put text into the textbox from this routine?

namespace textboxtest {
public partial class MainForm : Form {
public MainForm() {
InitializeComponent();

[Code] ....

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C# :: Write WPF With Textbox

Mar 28, 2015

I was following a c# book to write a WPF with a textbox. When the textbox is selected(got focus) with keyboard or mouse, it will select all text in it. I followed the book and wrote this:

private void TextBox1_GotFocus(object sender, RoutedEventArgs e) {
TextBox1.SelectAll();
} private void TextBox1_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e) {
var control = sender as TextBox;

[Code] ....

The book said having "e.Handled = true" is to stop the event in order to prevent the cursor being positioned on somewhere of the text instead of selecting all text. From my understanding, "e.Handled = true" is for stopping routed events. Is this means that something will run if "e.Handled = true" is not there? If yes, then what is it?

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C# :: Class Not Getting Textbox Values

Sep 13, 2014

I am not able to get my textbox values in my Register class for my calcTotal method. However, if I convert the text to a double in the Form class and then pass that to my function it will work. But I don't understand why I need to do it like that.

namespace CashRegister {
class Register : Form1 {
public double getItemPrice(string str) {
double item = 0;
item = Convert.ToDouble(str);
return item;

[Code] .....

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C# :: Masked Textbox For Strings

Dec 20, 2014

How to use Masked Text Box if I want to use a string for mask? There is a question in the program and I want to be able to type in only the correct answer. So if the correct answer is Blue, and I start typeing It only accepts for the first caracter is B, then l and so on...

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C# :: Binding A String To A Textbox?

Aug 5, 2014

I have a textbox with XAML

<TextBox Grid.Row="0" Grid.Column="1"
HorizontalAlignment="Stretch" VerticalAlignment="Center"
Text="{Binding Path = EventDate, Mode=TwoWay}" />

And the Property

[edit]Note that auto formatting has edited onpropertychanged to all lowercase[/edit]
/// <summary>
/// Date that the event took place
/// </summary>
public string EventDate {

[code]....

In the constructor I have

EventDate = "Enter Date";

I have added a button

<Button Grid.Column="3" Content="Add Record" VerticalAlignment="Center" Click="AddRecordButtonclick"/>
public void AddRecordButtonclick(object sender, RoutedEventArgs e) {
Debug.WriteLine("Date value: " + EventDate);
}

What I am finding when I run this code is that when the Add Record button is clicked, the output displays, "Date value: Enter Date" regardless of what text I have in the textbox bound to EventDate.

Is there something obvious which I am missing with binding of a string to a textbox?

I've added this to the xaml, but the property is still not updating in the debug line

<TextBox Grid.Row="0" Grid.Column="1"
HorizontalAlignment="Stretch" VerticalAlignment="Center"
Text="{Binding Path=EventDate, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />

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C# :: Getting Real Number From A Textbox?

Oct 28, 2014

All I want is to let the user enter a value such as .55 or say, .34 and use that in a calculation.

I cannot get passed the errors.

double theRate;
double totalMileage;
double amountOwed;
private void btnCalculate_Click(object sender, EventArgs e)

[Code] ....

So how do you get numeric input from a user?

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C/C++ :: How To Assign Text To A Textbox

Apr 24, 2015

I have a silverlight app that uses TextBox XAML controls.

In the c++ code-behind, IXRTextBoxPtr types are associated with these textboxes using "FindName" like this:

FindName(L"ColNum3", &m_pColNum3);

(where ColNum3 corresponds with the XAML CODE like this: )

Then, the code assigns the pointer like this:

std::wstring wsTransfer; // gets the wstring from imput
const WCHAR * wpszInput;
wpszInput = wsTransfer.c_str();
m_pColNum3->SetText(wpszInput);
but the display does not show the text data.

What am I missing? What steps am I missing to have this text modification display on the screen?

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