[英]How I can filter a DataTable with DateTime Columns?
我想過濾一個數據表並且它可以工作,但是如果我搜索一個DateTime,我會得到一個錯誤。
這是我的代碼。 我做錯了什么?
DataTable tb = DataBaseManager.GetRadiusDataTable(radiusconnectionstring, "marksullivan");
DataRow[] filteredRows = tb.Select("AcctStartTime LIKE '%" + searchstring + "%' OR AcctStopTime LIKE '%" + searchstring + "%' OR FramedIPAddress LIKE '%" + searchstring + "%'");
tb = filteredRows.CopyToDataTable();
this.ListView.DataSource = tb;
this.ListView.DataBind();
AcctStartTime:datetime AcctStopTime:datetime FramedIPAddress:varchar
The error: The Operation 'Like' could not to System.DateTime and System.String execute.
我怎樣才能做到這一點?
在RowFilter中嘗試這樣的DateComparision
string filter = "DateFrom > '" + daDateFrom + "' AND DateTo <= '" + daDateTo + "'";
tb.Select(filter)
日期值括在尖號##中。 日期格式與不變或英語區域性的DateTime.ToString()方法的結果相同。
[C#]
dataView.RowFilter = "Date = #12/31/2008#" // date value (time is 00:00:00)
dataView.RowFilter = "Date = #2008-12-31#" // also this format is supported
dataView.RowFilter = "Date = #12/31/2008 16:44:58#" // date and time value
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