A datakey represents the primary key field or field of a record that can uniquely identify it in a data-bound control. Row Index represents the index of the particular row.
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The limitation is that the Grid View column can only have the checkbox.
Method 2: Using Template Field You can have a checkbox control and other controls within the same Grid View.
For this situation, many developers use invisible columns (Hidden columns) in the gridview to identify that row.
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