Loop in datagridview column in C#

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I have A DataGridView in C# WinForm
In DataGrid i Have 4 Columns and 12 Rows
Column 1 = Sr No
Column 2 = Name
Column 3 = Date
Column 4 = Amount

I Auto generate Row By TextBox Value
but i also need Data Column fill all cell by +1 month

What I have tried:

I need [Date] Columns in my datagridview AutoFill by loop add +1 Month in each cell
like
20/01/2020
20/02/2020
20/03/2020
20/04/2020
.
.
.
20/12/2020

Posted 2-Mar-20 3:11am

Amar chand123

Updated 13-Mar-20 6:37am

v2

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phil.o 2-Mar-20 9:18am

And what have you tried?
Please improve your question and show the code which is actually responsible for filling the grid.

[no name] 2-Mar-20 9:24am

There is a method for DateTime to add N month, see here: DateTime.AddMonths(Int32) Method (System) | Microsoft Docs[^]

Maciej Los 2-Mar-20 9:27am

Sounds like an answer, Bruno.

[no name] 2-Mar-20 9:41am

Thank you Maciej, I will try my luck :)

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User 11060979 · Answer 1 · 2020-03-02T03:33:00

Solution 1

In case I understand your request correctly, you simply search for a way to 'increment' months for a given DateTime?

If yes have a look here, looks pretty easy with that:
DateTime.AddMonths(Int32) Method (System) | Microsoft Docs[^]

I hope it helps.

Posted 2-Mar-20 3:33am

User 11060979

Comments

Maciej Los 2-Mar-20 10:25am

5ed!

[no name] 2-Mar-20 10:28am

Thank you very much Maciej, now because of you I'm over 100K :)

Maciej Los 2-Mar-20 11:39am

Well, i remember this feeling, when i've reached first 100K...
Congrats!

Amar chand123 3-Mar-20 4:37am

but how i apply this code in my Datagridview
For SrNo. "increment" i use this Code:

private void LoadSr()
{
int i = 1;
foreach(DataGridViewRow row in dataGridView1.Rows)
{
row.Cells["SrNo"].Value = i; i++;
}
}

Can You Modify this Code for my Date Column Because i am Beginner in Programming
so i not Modify code, So if You Help Me for Change in Code, it help me a lot,
Thank You

Member 14772490 13-Mar-20 23:34pm

private void LoadSr()
{
int i = 1;
foreach(DataGridViewRow row in dataGridView1.Rows)
{
row.Cells["SrNo"].Value = i; i++;
}
}

Arth01 · Answer 2 · 2020-03-13T06:38:00

you can try this

loop for month you can use this

on button_click event or whatever.

datetime dt=convert.todatetime("20/01/2020");

for(int i=1;i<=12;i++) /////(i till 12 bcoz you have add 12 rows)
{

int n=datagridview1.rows.add();

datagridview1.rows[n].cell[0].value= dt.toshortdatestring();

dt=dt.addmonth(1);

}