GridView获取主键的值

    在 GridView1_RowCommand中获取主键的值：

　　protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)

　　{

　　int OrderId = Convert.ToInt32(GridView1.DataKeys[Convert.ToInt32(e.CommandArgument)].Value); }

　　在 GridView1_PageIndexChanging中获取主键的值

　　protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)

　　{

　　int index=GridView1.DataKeys[e.NewPageIndex].Value;

　　}

　　在 GridView1_RowDeleting中获取主键的值

　　protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)

　　{

　　int index=GridView1.DataKeys[e.RowIndex].Value;

　　}

　　在 GridView1_RowEditing中获取主键的值

　　protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)

　　{

　　int index = GridView1.DataKeys[e.NewEditIndex].Value;

　　}

　　在 GridView1_RowUpdating中获取主键的值

　　protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)

　　{

　　int index = GridView1.DataKeys[e.RowIndex].Value;

　　}

　　在 GridView1_RowDataBound中获取主键的值

　　protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)

　　{

　　int index = GridView1.DataKeys[e.Row.RowIndex].Value;

　　}