Insert Data Into Jagged Arrays using For Loop

Question

Here i am try to inserting Data into array,but here Iam getting bellow Error Object reference not set to an instance of an object. how can i insert Data into array using loop.

 String[][] data = new String[gvDetails.Rows.Count][];
               {
                    for (rowIndex = 0; rowIndex < gvDetails.Rows.Count; rowIndex++)
                    {
                        for (int k = 0; k < gvDetails.Columns.Count; k++)
                        {
                            string Data1=DataTable1.Rows[rowIndex][k].ToString();
                            data[rowIndex][k] = Data1;
}
}

Possible duplicate of What is a NullReferenceException, and how do I fix it? — MakePeaceGreatAgain
– MakePeaceGreatAgain, Commented Jul 14, 2016 at 10:16

Andrei · Accepted Answer · 2016-07-14 10:13:29Z

1

Each row in the jagged array is set to null initially and needs to be initialized:

for (rowIndex = 0; rowIndex < gvDetails.Rows.Count; rowIndex++)
{
    data[rowIndex] = new String[gvDetails.Columns.Count];

answered Jul 14, 2016 at 10:13

Andrei

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