Description: C# IN introduced subquery to limit the scope of the query, use this method to query data in a range, is also very practical, very widely used, in this case through the window to achieve such a query, more intuitive
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File list (Check if you may need any files):
INSonFind\DataBase\db_10_Data.MDF
.........\........\db_10_Log.LDF
.........\INSonFind\Form1.cs
.........\.........\Form1.Designer.cs
.........\.........\Form1.resx
.........\.........\INSonFind.csproj
.........\.........\Program.cs
.........\.........\...perties\AssemblyInfo.cs
.........\.........\..........\Resources.Designer.cs
.........\.........\..........\Resources.resx
.........\.........\..........\Settings.Designer.cs
.........\.........\..........\Settings.settings
.........\INSonFind.sln
.........\INSonFind.suo
.........\.........\Properties
.........\DataBase
.........\INSonFind
INSonFind