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<p>Convert Datatable To List</p> <pre><code> #region "Convert DataTable to List<dynamic>" public List<dynamic> ToDynamicList(DataTable dt) { List<string> cols = (dt.Columns.Cast<DataColumn>()).Select(column => column.ColumnName).ToList(); return ToDynamicList(ToDictionary(dt), getNewObject(cols)); } public List<Dictionary<string, object>> ToDictionary(DataTable dt) { var columns = dt.Columns.Cast<DataColumn>(); var Temp = dt.AsEnumerable().Select(dataRow => columns.Select(column => new { Column = column.ColumnName, Value = dataRow[column] }) .ToDictionary(data => data.Column, data => data.Value)).ToList(); return Temp.ToList(); } public List<dynamic> ToDynamicList(List<Dictionary<string, object>> list, Type TypeObj) { dynamic temp = new List<dynamic>(); foreach (Dictionary<string, object> step in list) { object Obj = Activator.CreateInstance(TypeObj); PropertyInfo[] properties = Obj.GetType().GetProperties(); Dictionary<string, object> DictList = (Dictionary<string, object>)step; foreach (KeyValuePair<string, object> keyValuePair in DictList) { foreach (PropertyInfo property in properties) { if (property.Name == keyValuePair.Key) { property.SetValue(Obj, keyValuePair.Value.ToString(), null); break; } } } temp.Add(Obj); } return temp; } private Type getNewObject(List<string> list) { AssemblyName assemblyName = new AssemblyName(); assemblyName.Name = "tmpAssembly"; AssemblyBuilder assemblyBuilder = Thread.GetDomain().DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run); ModuleBuilder module = assemblyBuilder.DefineDynamicModule("tmpModule"); TypeBuilder typeBuilder = module.DefineType("WebgridRowCellCollection", TypeAttributes.Public); foreach (string step in list) { string propertyName = step; FieldBuilder field = typeBuilder.DefineField(propertyName, typeof(string), FieldAttributes.Public); PropertyBuilder property = typeBuilder.DefineProperty(propertyName, System.Reflection.PropertyAttributes.None, typeof(string), new Type[] { typeof(string) }); MethodAttributes GetSetAttr = MethodAttributes.Public | MethodAttributes.HideBySig; MethodBuilder currGetPropMthdBldr = typeBuilder.DefineMethod("get_value", GetSetAttr, typeof(string), Type.EmptyTypes); ILGenerator currGetIL = currGetPropMthdBldr.GetILGenerator(); currGetIL.Emit(OpCodes.Ldarg_0); currGetIL.Emit(OpCodes.Ldfld, field); currGetIL.Emit(OpCodes.Ret); MethodBuilder currSetPropMthdBldr = typeBuilder.DefineMethod("set_value", GetSetAttr, null, new Type[] { typeof(string) }); ILGenerator currSetIL = currSetPropMthdBldr.GetILGenerator(); currSetIL.Emit(OpCodes.Ldarg_0); currSetIL.Emit(OpCodes.Ldarg_1); currSetIL.Emit(OpCodes.Stfld, field); currSetIL.Emit(OpCodes.Ret); property.SetGetMethod(currGetPropMthdBldr); property.SetSetMethod(currSetPropMthdBldr); } Type obj = typeBuilder.CreateType(); return obj; } #endregion </code></pre>
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