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Questions - datagridview

Count repetition of data starting with specific value in a DataGridView

I have dataGridView1 containing two columns, Col1 and Col2, which both contain duplicate values. Col1 | Col2 Id | Value| Repetition =========== =======================...
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Blenda

c#

winforms

datagridview

Votes: 0

Answers: 1

Latest Answer

The condition I needed was the following and it works as I expected var result = list.Where(x=>x.StartsWith("25")).GroupBy(x => x).Select(g => new { Value = g.Key, Count = g.Count()...
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Blenda

How can I change each duplicate set of values to different colour in DataGridView c#

I have a DataGridView with a Contact column full of numbers. Each number can reoccur multiple times, or just once. I am trying to find a solution to re-colour each set of rows that contain matching n...
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Jeremy Stovin

c#

winforms

datagridview

visual-studio-2019

Votes: 0

Answers: 2

Latest Answer

It appears you may be over complicating things. It is unclear why your current code is using two for loops for this. One for loop will work and it will be less complicated. The approach below simply l...
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JohnG

Hatching DataGridView Cell

I have WinForms project in C# that it has DataGridView control. I'm looking for something to express that the DataGridView cell will not be valued. In excel app hatching is a good way for that purpose...
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Gokhan

c#

.net

winforms

datagridview

Votes: 0

Answers: 1

Latest Answer

You can handle CellPainting event and then fill the cell using a HatchBrush. You also need to invalidate the control in the event of scroll and enable double buffering to prevent flicker. Here is an e...
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Reza Aghaei

How to add button to a specific DataGridView C# WinForms

Hi, I am very new to C# and WinForms. Just like this image showing, I added DataGridView_B to DataGridView_A, where DataGridView_B is usually invisible and only be visible when certain function is c...
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Emory Lu

c#

winforms

button

datagridview

Votes: 0

Answers: 1

Latest Answer

When you drop items in from the Toolbox instead of programmatically adding them, their location is absolute to the top left corner of the form. In your example, I'll make the following assumptions: Da...
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Nova_

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