Tasks managing app using MVVM and NHibernate

<?xml version="1.0" encoding="utf-8"?>
<xs:schema id="vallTasksDataSet" targetNamespace="http://tempuri.org/vallTasksDataSet.xsd" xmlns:mstns="http://tempuri.org/vallTasksDataSet.xsd" xmlns="http://tempuri.org/vallTasksDataSet.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:msprop="urn:schemas-microsoft-com:xml-msprop" attributeFormDefault="qualified" elementFormDefault="qualified">
  <xs:annotation>
    <xs:appinfo source="urn:schemas-microsoft-com:xml-msdatasource">
      <DataSource DefaultConnectionIndex="0" FunctionsComponentName="QueriesTableAdapter" Modifier="AutoLayout, AnsiClass, Class, Public" SchemaSerializationMode="IncludeSchema" xmlns="urn:schemas-microsoft-com:xml-msdatasource">
        <Connections>
          <Connection ConnectionStringObject="data source=C:\Desarrollo\Tasks\WpfApp\bin\Debug\nhibernate.db" IsAppSettingsProperty="false" Modifier="Assembly" Name="SQLite [nhibernate]" ParameterPrefix="@" Provider="System.Data.SQLite" />
        </Connections>
        <Tables>
          <TableAdapter BaseClass="System.ComponentModel.Component" DataAccessorModifier="AutoLayout, AnsiClass, Class, Public" DataAccessorName="vAllTasksTableAdapter" GeneratorDataComponentClassName="vAllTasksTableAdapter" Name="vAllTasks" UserDataComponentName="vAllTasksTableAdapter">
            <MainSource>
              <DbSource ConnectionRef="SQLite [nhibernate]" DbObjectName="main.vAllTasks" DbObjectType="View" FillMethodModifier="Public" FillMethodName="Fill" GenerateMethods="Both" GenerateShortCommands="false" GeneratorGetMethodName="GetData" GeneratorSourceName="Fill" GetMethodModifier="Public" GetMethodName="GetData" QueryType="Rowset" ScalarCallRetval="System.Object, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" UseOptimisticConcurrency="false" UserGetMethodName="GetData" UserSourceName="Fill">
                <SelectCommand>
                  <DbCommand CommandType="Text" ModifiedByUser="true">
                    <CommandText>SELECT [CreateDT], [TaskHours], [Name], [Code] FROM [vAllTasks]</CommandText>
                    <Parameters />
                  </DbCommand>
                </SelectCommand>
              </DbSource>
            </MainSource>
            <Mappings>
              <Mapping SourceColumn="[CreateDT]" DataSetColumn="[CreateDT]" />
              <Mapping SourceColumn="[TaskHours]" DataSetColumn="[TaskHours]" />
              <Mapping SourceColumn="[Name]" DataSetColumn="[Name]" />
              <Mapping SourceColumn="[Code]" DataSetColumn="[Code]" />
            </Mappings>
            <Sources>
              <DbSource ConnectionRef="SQLite [nhibernate]" DbObjectName="main.vAllTasks" DbObjectType="View" FillMethodModifier="Public" FillMethodName="FillByDateAndCode" GenerateMethods="Both" GenerateShortCommands="true" GeneratorGetMethodName="GetDataByDateAndCode" GeneratorSourceName="FillByDateAndCode" GetMethodModifier="Public" GetMethodName="GetDataByDateAndCode" QueryType="Rowset" ScalarCallRetval="System.Object, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" UseOptimisticConcurrency="true" UserGetMethodName="GetDataByDateAndCode" UserSourceName="FillByDateAndCode">
                <SelectCommand>
                  <DbCommand CommandType="Text" ModifiedByUser="true">
                    <CommandText>SELECT Code, CreateDT, Name, TaskHours FROM vAllTasks WHERE (CreateDT &gt;= @FechaInicio) AND (CreateDT &lt;= @FechaFin) AND (Code = @PrjCode) ORDER BY CreateDT DESC</CommandText>
                    <Parameters>
                      <Parameter AllowDbNull="true" AutogeneratedName="FechaInicio" ColumnName="CreateDT" DataSourceName="main.vAllTasks" DataTypeServer="datetime(8)" DbType="DateTime" Direction="Input" ParameterName="@FechaInicio" Precision="0" ProviderType="DateTime" Scale="0" Size="8" SourceColumn="CreateDT" SourceColumnNullMapping="false" SourceVersion="Current" />
                      <Parameter AllowDbNull="true" AutogeneratedName="FechaFin" ColumnName="CreateDT" DataSourceName="main.vAllTasks" DataTypeServer="datetime(8)" DbType="DateTime" Direction="Input" ParameterName="@FechaFin" Precision="0" ProviderType="DateTime" Scale="0" Size="8" SourceColumn="CreateDT" SourceColumnNullMapping="false" SourceVersion="Current" />
                      <Parameter AllowDbNull="true" AutogeneratedName="PrjCode" ColumnName="Code" DataSourceName="main.vAllTasks" DataTypeServer="text" DbType="String" Direction="Input" ParameterName="@PrjCode" Precision="0" ProviderType="String" Scale="0" Size="2147483647" SourceColumn="Code" SourceColumnNullMapping="false" SourceVersion="Current" />
                    </Parameters>
                  </DbCommand>
                </SelectCommand>
              </DbSource>
              <DbSource ConnectionRef="SQLite [nhibernate]" DbObjectName="main.vAllTasks" DbObjectType="View" FillMethodModifier="Public" FillMethodName="FillByDateTime" GenerateMethods="Both" GenerateShortCommands="true" GeneratorGetMethodName="GetDataByDateTime" GeneratorSourceName="FillByDateTime" GetMethodModifier="Public" GetMethodName="GetDataByDateTime" QueryType="Rowset" ScalarCallRetval="System.Object, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" UseOptimisticConcurrency="true" UserGetMethodName="GetDataByDateTime" UserSourceName="FillByDateTime">
                <SelectCommand>
                  <DbCommand CommandType="Text" ModifiedByUser="true">
                    <CommandText>SELECT [CreateDT], [TaskHours], [Name], [Code]
FROM [vAllTasks]
WHERE [CreateDT] &gt;= @FechaInicio AND [CreateDT] &lt;=@FechaFin
ORDER BY [CreateDT] DESC</CommandText>
                    <Parameters>
                      <Parameter AllowDbNull="true" AutogeneratedName="FechaInicio" ColumnName="CreateDT" DataSourceName="main.vAllTasks" DataTypeServer="datetime(8)" DbType="DateTime" Direction="Input" ParameterName="@FechaInicio" Precision="0" ProviderType="DateTime" Scale="0" Size="8" SourceColumn="CreateDT" SourceColumnNullMapping="false" SourceVersion="Current" />
                      <Parameter AllowDbNull="true" AutogeneratedName="FechaFin" ColumnName="CreateDT" DataSourceName="main.vAllTasks" DataTypeServer="datetime(8)" DbType="DateTime" Direction="Input" ParameterName="@FechaFin" Precision="0" ProviderType="DateTime" Scale="0" Size="8" SourceColumn="CreateDT" SourceColumnNullMapping="false" SourceVersion="Current" />
                    </Parameters>
                  </DbCommand>
                </SelectCommand>
              </DbSource>
            </Sources>
          </TableAdapter>
        </Tables>
        <Sources />
      </DataSource>
    </xs:appinfo>
  </xs:annotation>
  <xs:element name="vallTasksDataSet" msdata:IsDataSet="true" msdata:UseCurrentLocale="true" msprop:EnableTableAdapterManager="True" msprop:Generator_DataSetName="vallTasksDataSet" msprop:Generator_UserDSName="vallTasksDataSet">
    <xs:complexType>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="vAllTasks" msprop:Generator_TableClassName="vAllTasksDataTable" msprop:Generator_TableVarName="tablevAllTasks" msprop:Generator_TablePropName="vAllTasks" msprop:Generator_RowDeletingName="vAllTasksRowDeleting" msprop:Generator_UserTableName="vAllTasks" msprop:Generator_RowChangingName="vAllTasksRowChanging" msprop:Generator_RowEvHandlerName="vAllTasksRowChangeEventHandler" msprop:Generator_RowDeletedName="vAllTasksRowDeleted" msprop:Generator_RowEvArgName="vAllTasksRowChangeEvent" msprop:Generator_RowChangedName="vAllTasksRowChanged" msprop:Generator_RowClassName="vAllTasksRow">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="_x005B_CreateDT_x005D_" msprop:Generator_ColumnVarNameInTable="_column_CreateDT_" msprop:Generator_ColumnPropNameInRow="__CreateDT_" msprop:Generator_ColumnPropNameInTable="__CreateDT_Column" msprop:Generator_UserColumnName="[CreateDT]" type="xs:dateTime" minOccurs="0" />
              <xs:element name="_x005B_TaskHours_x005D_" msprop:Generator_ColumnVarNameInTable="_column_TaskHours_" msprop:Generator_ColumnPropNameInRow="__TaskHours_" msprop:Generator_ColumnPropNameInTable="__TaskHours_Column" msprop:Generator_UserColumnName="[TaskHours]" type="xs:double" minOccurs="0" />
              <xs:element name="_x005B_Name_x005D_" msprop:Generator_ColumnVarNameInTable="_column_Name_" msprop:Generator_ColumnPropNameInRow="__Name_" msprop:Generator_ColumnPropNameInTable="__Name_Column" msprop:Generator_UserColumnName="[Name]" minOccurs="0">
                <xs:simpleType>
                  <xs:restriction base="xs:string">
                    <xs:maxLength value="2147483647" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
              <xs:element name="_x005B_Code_x005D_" msprop:Generator_ColumnVarNameInTable="_column_Code_" msprop:Generator_ColumnPropNameInRow="__Code_" msprop:Generator_ColumnPropNameInTable="__Code_Column" msprop:Generator_UserColumnName="[Code]" minOccurs="0">
                <xs:simpleType>
                  <xs:restriction base="xs:string">
                    <xs:maxLength value="2147483647" />
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>
            </xs:sequence>
          </xs:complexType>
        </xs:element>
      </xs:choice>
    </xs:complexType>
  </xs:element>
</xs:schema>