The listview control obtains the row number and primary key of the current row.

The listview control obtains the row number and primary key of the current row, 1, and the row number of the current row: int Index = (listviewdataitem) E. Item). displayindex;

2. Obtain the primary key of the current row: int id = convert. toint32 (listview1.datakeys [Index]. value );

Protected void listviewincluitemcommand (Object sender, listviewcommandeventargs E)
{
// Obtain the current row number;

Int Index = (listviewdataitem) E. Item). displayindex;

// Obtain the primary key of the current row number;

Int id = convert. toint32 (listview1.datakeys [Index]. value );

// Add a button on the ASPX page. commandname is incseqno.

If (E. commandname = "incseqno ")
{
// Obtain Dataset

T_firendlinktableadapter adapter = new t_firendlinktableadapter ();

// Update the field;

Adapter. updatequery (ID );

// Rebind;

Listview1.databind ();
}
}