Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index

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Hi,
i get this error,
Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index

and this is my code,please tell me solution,
thnx in advance.

private void dtgridcompanyList_CellContentClick(object sender, DataGridViewCellEventArgs e)
{

C#

int ColumnIndex = e.ColumnIndex;
            obj_companies.Company_Id = dtgridcompanyList.Rows[e.RowIndex].Cells[2].Value.ToString();
            obj_companies.CompanyName = dtgridcompanyList.Rows[e.RowIndex].Cells[3].Value.ToString();
            obj_companies.CompanyRegno = dtgridcompanyList.Rows[e.RowIndex].Cells[4].Value.ToString();
            obj_companies.CompanyUrl = dtgridcompanyList.Rows[e.RowIndex].Cells[5].Value.ToString();
            obj_companies.CompanyfaxNo = dtgridcompanyList.Rows[e.RowIndex].Cells[6].Value.ToString();
            obj_companies.BranchId = dtgridcompanyList.Rows[e.RowIndex].Cells[7].Value.ToString();
            obj_companies.Branchname = dtgridcompanyList.Rows[e.RowIndex].Cells[8].Value.ToString();
            obj_companies.Address = dtgridcompanyList.Rows[e.RowIndex].Cells[9].Value.ToString();
            obj_companies.country =Convert.ToInt32( dtgridcompanyList.Rows[e.RowIndex].Cells[10].Value.ToString());
            obj_companies.state = Convert.ToInt32(dtgridcompanyList.Rows[e.RowIndex].Cells[11].Value.ToString());
            obj_companies.city = Convert.ToInt32(dtgridcompanyList.Rows[e.RowIndex].Cells[12].Value.ToString());
            obj_companies.Emailid = dtgridcompanyList.Rows[e.RowIndex].Cells[13].Value.ToString();
            obj_companies.pincode = dtgridcompanyList.Rows[e.RowIndex].Cells[14].Value.ToString();
            obj_companies.contactnumber1 = dtgridcompanyList.Rows[e.RowIndex].Cells[15].Value.ToString();
            obj_companies.contactnumber2 = dtgridcompanyList.Rows[e.RowIndex].Cells[16].Value.ToString();

}

Posted 19-Feb-13 22:50pm

Ajinkya Ban

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Orcun Iyigun 20-Feb-13 4:55am

Have you debugged your code? Have you checked if you are getting the correct data or not? and why are you converting the value to string and then convert it to int32? Just do it directly?

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Garth J Lancaster · Answer 1 · 2013-02-19T23:05:00

dude - simple debugging - are you using any sort of logging ? I would (for example)

1) if there's a rows count property, I'd log the value of (eg) dtgridcompanyList.Rows.Count()
2) log and compare e.RowIndex to dtgridcompanyList.Rows.Count()

Similarly for each e.RowIndex you need to check the Cells.Count() value and for example in the case you've shown, Cells[16] see if that is greater than the number of cells

why dont you set a breakpoint at [int ColumnIndex = e.ColumnIndex;] and single step through the code until it blows up - that line shows you where your indexes are going out of whack - you then have to figure out why ...