Getting Value of particular key in gridview datakeys

[jmestep]

I'm adapting the EditSimilarProducts.ascx to use to link webpages of a custom type to a product.
The SearchResultsGrid now has three data keys, CategoryId, CatalogNodeId, CatalogNodeTypeId.

The RelatedProductGrid has 4 keys, objectId1, objecctType1, objectId2, objectType2

When I add/remove a link, the objectId1 is the parent productId and the objectType1 is 1 since it's a product.
I need to map the CatalogNodeId to the objectId2 and the CatalogNodeTypeId to the objectType2.
I'm changing the following:

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 protected void RelatedProductGrid_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        int relatedProductId = (int)e.Keys[0];
        SetLink(relatedProductId, false);
        //CHECK THE SEARCH RESULTS GRID TO SEE IF THIS ITEMS APPEARS
        int tempIndex = 0;
        foreach (DataKey key in SearchResultsGrid.DataKeys)
        {
            int tempId = (int)key.Value;
            if (relatedProductId == tempId)

to

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protected void RelatedObjectGrid_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
       int relatedObjectId = (int)e.Keys[2];
       int relatedType = (int)e.Keys[3];
       SetLink(relatedObjectId,relatedType, false);
        //CHECK THE SEARCH RESULTS GRID TO SEE IF THIS ITEMS APPEARS
        int tempIndex = 0;
          int tempId = (int)SearchResultsGrid.DataKeys[1].Value;
         int tempType = (byte)SearchResultsGrid.DataKeys[2].Value;
        

but something is not picking up for the keys for tempId and tempType. The code keeps picking up the CategoryId and saving that to the objectId2 in the database with 0 in the objectType2 field.
Can anyone tell me how to edit the above? I can change the order of the DataKeyNames="CategoryId,CatalogNodeId,CatalogNodeTypeId" to put the CatalogNodeId first and then that gets put into the database OK, but the type doesn't get put in.
Thanks

[mazhar]

Instead of using the below code

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  int tempId = (int)SearchResultsGrid.DataKeys[1].Value;
         int tempType = (byte)SearchResultsGrid.DataKeys[2].Value;

Give a try to the following

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int tempId = (int)SearchResultsGrid.DataKeys[data item index].Value;
int tempType = (byte)SearchResultsGrid.DataKeys[data item index].Value[1];

where data item index is the record index in grid view.