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C# DataGridView Checkbox Value. Add 1 to current value whenever the checkbox...

Good Day,I would like to ask for help, I am new to C#I am currently working on an attendance monitoring project where I have a dataGridView with checkbox column.What I wanted to happen is whenever I...

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Scroll DataGrid Columns Horizontally on Left and Right Button Click Event...

Hello Sir,I have made one windows application with one data grid to show the batch data and two buttons left and right, now i want to scroll the data grid columns horizontally on left and right side of...

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Entity Data Model update model from database - BindingSource loses its...

Using Entity Data Model in Visual Studio 2015 Community, using the data model objects as Datasources in bindingsources for windows forms data grids, etc.. Every time I need to update the data model...

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Sort checked list box

when user check item in checked list box how we can set checked item sorted at top of cheked list box and unchecked items sorted by alphabetic. please note i don't want click a button to sort item,...

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.NET C# WinForm DataGridView: Issues with CellValueChanged event not...

Basically, I have a DataGridView = grid, and I've hooked the following events:CellDirtyStateChangedCellValueChangedCellValidatingWhen I edit a cell (under DataGridViewColumn.ValueType == typeof(uint)),...

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Tooltip like display showing

I have a treeview Control showing a tooltip like display of Nodes on mouseover but I do not have tooltips enabled for nodes.Where can this be coming from? And it doesn't occur on every node - Shorter...

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SQLite Columns

HelloI'm trying to post an Email Address to a textbox in my program. I created a database with ten email address columns I tried setting the type to varchar and got an exceptionerror when I would add...

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Wait for a Task until complete without freezing UI

public partial class Form1 : Form { private bool isAlive=false; public Form1(){ InitializeComponent(); WaitingForWebsiteResponse(); if(!isAlive) return; lblStatus.Text="The website is available now.";...

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SQLite columns

Hello Hello I tried setting the type of column to VARCHAR and was able to post Email Addresses to the textboxes but when the Email column is emptyI get the error  :{"Specified cast is not valid."}I set...

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CancelRequest not work!

/* This is a blink label user control --------------------------------*/ public partial class BlinkLabel : Label { private CancellationTokenSource ts; private Task task1; public BlinkLabel() {...

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Datagrid View is not showing Images

 This code is not showing image in datagrid view i am not sure what is going wrong please help mewhile(rdr.Read())            {        DataGridViewImageColumn iconColumn = new...

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Can we set tab stop on specific cell on vb.net datagridview

Is there any way to set tab stop on specific cell on vb.net datagridview My ultimate goal is  edit only one cell. Meaning if i press tab Button it should go to specify cell ie next row cell . not cell...

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how to move listBox index with datagridview

Hi All,Here i want to ask about how to move indexingly listbox item with datagridview row , so when i select index No. 2 at listBox the third row on datagridview should be selected , I know that if i...

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Stored Procedure with Parameter

Visual Studio 2015Desktop AppTrying to execute a WORKING stored procedure from my app.Here is the call... string SQL2 = @"[dbo].[GetBestDeliveryAddress]"; using (SqlCommand myCommand2 = new...

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C# Conditional formatting of DataGridView cells

Hello everyone,Greetings from Brazil!  I have a DataGridView with a column named "Valor" that displays a currency amount in Brazilian Real (R$ and -R$).  I am trying to make the cell ForeColor Red if...

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convert checkbox into textbox(message) in datagridview directly from sql...

i have a sql table like                              in datagridview   shows like                     SNo-------int                                   1,2,----Date------nvarchar(50)...

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How to cascading combboxes inside Datagridview

Hi all,Using C# ,how can i build 3 comboboxes for example to display Country - City - School cascadingly converting datagridview column type to combobox , On form design i can bind all comboboxes...

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ASP.NET : when trying to configure a SqlDataSource, the 'specify columns from...

I am attempting to choose which columns I want to view from a database table inside of a gridview. When I go to Configure Data Source and get to the 'Configure the Select Statement' page the only...

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How uninstall my own forms from printserver per command ?

Hi,I have installed with my printer driver installation some own printer forms. How can I unistall them by command like printui.dll for installed printer drivers ?I want to use this for an automatic...

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invalid OPerationexception was unhandled

Hi i am trying to bind the table of database useing MS accessto datyagridview i got error like  The provider could not determine the Int32 value. For example, the row was just created, the default for...

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