Question

In C# Winforms, I’d like to use a DataGridView as a simple widget to store information to display to the user. To this end, I’d like to create a table of say, 5×10 cells.

After some research, solutions tend to allow adding just one row or column at a time. I’d like the whole grid created initially and straight away, so I can start populating it with data, like you would with a standard C# 2D array.

What’s the simplest way of going about this? A function header could look like this:

createCells(DataGridView dgv, int cols, int rows) {}

It should be quick and amenable to changing the cols and rows to a larger or smaller number later on if need be.

Answer 1

By the way, there might an error like:

Sum Of The Columns’ FillWeight Values Cannot Exceed 65535

To avoid it, set AutoGenerateColumns property to false, and set FillWeight to 1 for each column generated:

dgv.AutoGenerateColumns = false;
for (int i = 1; i <= columns; i++)
{
    dgv.Columns.Add("col" + i, "column " + i);
    dgv.Columns[i - 1].FillWeight = 1;
}
for (int j = 0; j < rows; j++)
    dgv.Rows.Add();