How can I get the text of a cell of a column concrete in a GridView ?
I need the text of a celda in particular, modify it, and put it back in the same cell, but I do not know how to access the Text of each of the Cells of the column of GridView and so then modify the texts.
Being dataGridView the (Name) of your DataGridView would be something like this:
String texto = dataGridView.Rows[numeroFila].Cells[numeroColumna].Value.ToString();
This is the short way to answer @cnbandicoot
Get the value of a cell:
string valor = dataGridView[colIndex, rowIndex].Value.ToString();
To set the value of a cell:
dataGridView[colIndex, rowIndex].Value = valor;