Error : indexoutofrange Exception

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4.00/5 (1 vote)

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.NET3.5

i get error below code only

str2 += strListItems[i] + ":" + ds.Tables[0].Rows[comboBox1.SelectedIndex][i].ToString() + "\r\n";

the error is indexoutofrange Exception.
and my full code is

string str2 = "";
            string[] strListItems = { ds.Tables[0].Columns[1].ToString(), ds.Tables[0].Columns[0].ToString(), ds.Tables[0].Columns[2].ToString() };
            for (int i = 0; i < ds.Tables[0].Rows.Count -1; i++)
            {
                str2 += strListItems[i] + ":" + ds.Tables[0].Rows[comboBox1.SelectedIndex][i].ToString() + "\r\n";
            }
            textBox1.Text = str2;

Please give me any idea to resolve it

Thanks
VenkatS

Posted 14-Jun-11 0:47am

vsiddi

Updated 14-Jun-11 0:52am

thatraja

v2

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OriginalGriff · Answer 1 · 2011-06-14T00:56:00

Solution 1

So, if there are more than 3 rows in ds.Tables[0] where are they supposed to go?

You need to look at your definition of strListItems - you declare it with a fixed number of rows, but do not check if you are outside that.

Posted 14-Jun-11 0:56am

OriginalGriff

thatraja · Answer 2 · 2011-06-14T00:56:00

Solution 2

The problem is If the ds.Tables[0].Rows.Count has more than 3 then it will raise error in strListItems which has 3 values. Because you put the strListItems in for loop, just think if the table contains more rows, that's why it raised the error.

Posted 14-Jun-11 0:56am

thatraja