How to pupulate DataGridViewColumnHeaders by dates and Names of Days

Memento

I need to populate a dgv's ColumnHeaders in this way:

Name 1 2...
Sunday Monday ...

So first column is for Names - header is single line.
Each other column has twoLines header:
first line is date in currentMonth
second line is name of that day.
So, dgv.Columns.Count is always = currentMonth.DaysInMonth.Count + 1
dgv is unbounded.

I allready have a long, repeating "foreach" procedure, which works, and if needed I can post it, but I need as short as possible way, probably something with arrays.

Thanks in Advance.

2 Replies

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Vulpes14y ago
Accepted answer
Well, the headers will of course depend on the month and year but, subject to that, something like this should work:

int year = 2012;
int month = 6;
int daysInMonth = DateTime.DaysInMonth(year, month);
DateTime dt = new DateTime(year, month, 1);

dataGridView1.Columns[0].HeaderText = "Names";
for (int i = 1; i <= daysInMonth; i++)
{
dataGridView1.Columns[i].HeaderText = String.Format(" {0}\r\n{1}", i, dt.DayOfWeek);
dt = dt.AddDays(1);
}

// if daysInMonth is less than 31 make sure unused columns have empty headers
if (daysInMonth < 31)
{
for (int i = daysInMonth + 1; i <= 31; i++) dataGridView1.Columns[i].HeaderText = "";
}
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Memento14y ago
Vulpes,
I will ensure that dgv.Column.Count is adjusted by the days.Count - it's ok.
This lines are crucial for me:

dataGridView1.Columns[i].HeaderText = String.Format("{0}\r\n{1}", i, dt.DayOfWeek);

dt = dt.AddDays(1);
ThankYou - for Your Knowledge,
ThankYou - for ShorTimeAnswering.
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