C# 如何使用asp.net c中的报表查看器使过滤器工作以生成报表#
我有这个密码,但它不起作用。。它不过滤任何东西。。当我生成一些东西时..我不知道为什么..有人能帮我修复这个。。??我需要创造一些东西。 以下是我正在使用的代码:C# 如何使用asp.net c中的报表查看器使过滤器工作以生成报表#,c#,asp.net,C#,Asp.net,我有这个密码,但它不起作用。。它不过滤任何东西。。当我生成一些东西时..我不知道为什么..有人能帮我修复这个。。??我需要创造一些东西。 以下是我正在使用的代码: public DataTable getDocumentsByFilter(string category, string document, string office, string period, DateTime start, DateTime end, string sy, string sem, string search
public DataTable getDocumentsByFilter(string category, string document, string office, string period, DateTime start, DateTime end, string sy, string sem, string searchinfo)
{
string sql = "SELECT d.*,so.*,sy.*,ua.*,so.SchoolOfficeDescription as [AddresseeName] From Document d, SchoolOffice so, SchoolYear sy, UserAccount ua WHERE d.Addressee = so.SchoolOfficeID AND d.SchoolYearID = sy.SchoolYearID AND d.Status like 'Active' AND ua.UserID = d.UserID";
if (!(office == "All"))
{
sql = sql + " And d.Addressee =" + office ;
}
else if (office == "All")
{
sql = sql + " AND d.Addressee >= 0 ";
}
if (!(document == "All"))
{
sql = sql + document + "";
}
else
{
sql = sql + " AND ( d.docStatus like 'Draft' OR d.docStatus like 'Forwarded' OR d.docStatus like 'Received') ";
}
if (!(category == "All"))
sql = sql + " And d.Category like '" + category+ "'";
else
{
sql = sql + " AND ( d.Category like 'Activity,Item,Service' OR d.Category like 'Activity' OR d.Category like 'Item' or d.Category like 'Service')";
}
if (period == "SY")
{
sql = sql + " And sy.YearStart like '" + sy + "'";
if (!(sem == "Please select..."))
{
sql = sql + " And sy.Semester like '" + sem + "'";
}
else
{
sql = sql + " And (sy.Semester like 'First Semester' OR sy.Semester like 'Summer Term' or sy.Semester like 'Second Semester') ";
}
}
else if (period == "Date")
{
sql = sql + " And d.DateCreated between '" + start + "' And '" + end + "'";
}
else if (period == "All")
{
sql = sql + " AND d.DateCreated > '1/1/1911 12:00:00 AM' ";
}
if (searchinfo != "Enter document details")
{
sql = sql + " AND ((ua.FirstName like '%" + searchinfo + "%' OR ua.LastName like '%" + searchinfo + "%') AND ua.UserID = d.UserID)";
}
sql = sql + " ORDER BY d.DateCreated DESC";
return GetDataTable(sql, null);
}
你有什么结果吗?结果出了什么问题?我们需要更多关于期望行为和实际行为之间差异的详细信息,以提供更多帮助。我没有得到任何结果。当我选择过滤某些内容时,gridview是空白的。您调试了代码吗?有例外吗?您是否尝试过手动运行您的代码在查询工具中生成的SQL?是的,我已经更改了查询。但它不起作用