private void cboQueryDef_SelectedIndexChanged(object sender, EventArgs e)
{
ExQueryComboItem curQryComboItem = (ExQueryComboItem)cboQueryDef.SelectedItem;
m_CurExQuery = curQryComboItem.ExQuery;
m_GridCtxMenuBuilder = new GridContextMenuBuilder(m_CurExQuery.ContextMenuDef);
btnReset.PerformClick();
}
/// <summary>
/// 可扩展的分页查询功能，pageSize不宜过大，如果pageSize大于1000，使用：BigPageList
/// </summary>
/// <param name="baseQuery">基础查询对象委托</param>
/// <param name="exQuery">额外查询条件委托</param>
/// <param name="pageIndex">查询页码</param>
/// <param name="pageSize">每页显示数据量</param>
/// <param name="eqArgs">查询参数，不为null时会作为查询参数</param>
/// <param name="neqArgs">不等查询参数，不为null时会作为不等查询参数</param>
/// <returns></returns>
public MyPagedList <TEntity> PageList(BaseQuery baseQuery, ExQuery exQuery, int pageIndex = 1, int pageSize = 20, TParams eqArgs = null, TParams neqArgs = null)
{
if (pageIndex <= 0)
{
pageIndex = 1;
}
if (pageSize > 100)
{
pageSize = 100;
}
else if (pageSize <= 0)
{
pageSize = 20;
}
using (BaseDbContext dbContext = CreateDbContext())
{
IQueryable <TEntity> query = Query(baseQuery(dbContext), eqArgs, neqArgs);
query = exQuery(query);
return(query.ToMyPagedList(pageIndex, pageSize));
}
}
public ExQueryComboItem(ExQuery exQuery)
{
m_ExQuery = exQuery;
}