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Monday, October 11, 2010

date sort in gridview

In aspx:

<asp:BoundField DataField="Date_of_Entry" dataformatstring="{0:dd MMM yyyy}" htmlencode="false" HeaderText="Date_of_Entry" SortExpression="Date_of_Entry" >
                <ItemStyle Wrap="False" />

notice that instead of templatefield, a boundfield is being used. Dont worry about NULLs not being displayed, as nulls will be displayed as blanks for some reason. The important properties are dataformatstring and htmlencode.


in aspx.vb:


nothing needs to be done

in sqldatasource:


in select command select the date_of_entry field as it is, without any wrapping, to take the original datetime value from the db.
e.g:

   SelectCommand="
        SELECT
        CONVERT(VARCHAR,     (CASE WHEN Autokey IS NULL THEN (SELECT TOP 1 '' AS Autokey FROM Data) ELSE Autokey END), 1) AS Autokey,
        CONVERT(VARCHAR,     (CASE     WHEN Province IS NULL THEN     (SELECT TOP 1 '' AS Province FROM Data)     ELSE Province    END), 1) AS Province,           
        CONVERT(VARCHAR,     (CASE     WHEN District IS NULL THEN     (SELECT TOP 1 '' AS District FROM Data)     ELSE District    END), 1) AS District,       
        CONVERT(VARCHAR,     (CASE     WHEN Hospital IS NULL THEN     (SELECT TOP 1 '' AS Hospital FROM Data)     ELSE Hospital    END), 1) AS Hospital,     
        CONVERT(VARCHAR,     (CASE     WHEN Caterer_Name IS NULL THEN     (SELECT TOP 1 '' AS Caterer_Name FROM Data)     ELSE Caterer_Name    END), 1) AS Caterer_Name,           
        Date_of_Entry,                   
        LEFT((CASE     WHEN Date_of_Entry = '01 Jan 1900' THEN     (SELECT TOP 1 '' AS Date_of_Entry FROM Data)     ELSE DATENAME(WEEKDAY, Date_of_Entry)    END), 3) AS Week,       
        CONVERT(INT, ISNULL(No_of_Daigs, 0), 1) AS No_of_Daigs,     
        CONVERT(VARCHAR,     (CASE     WHEN Food_Item IS NULL THEN     (SELECT TOP 1 '' AS Food_Item FROM Data)     ELSE Food_Item    END), 1) AS Food_Item,             
        CONVERT(INT, ISNULL(No_of_Rotis, 0), 1) AS No_of_Rotis,                     
        CONVERT(INT, ISNULL(No_of_Bene_Male, 0), 1) AS No_of_Bene_Male,                     
        CONVERT(INT, ISNULL(No_of_Bene_Female, 0), 1) AS No_of_Bene_Female,     
        CONVERT(INT, ISNULL(Daily_Cost_Per_Person, 0), 1) AS Daily_Cost_Per_Person,     
        CONVERT(INT, ISNULL((ISNULL(No_of_Bene_Female, 0) + ISNULL(No_of_Bene_Male, 0)),0), 1) AS 'Total_Bene',
        CONVERT(INT, ISNULL((ISNULL(Daily_Cost_Per_Person, 0) * ISNULL((ISNULL(No_of_Bene_Female, 0) + ISNULL(No_of_Bene_Male, 0)), 0) ), 0), 1) As 'Total_Daily_Cost',
        CONVERT(INT, ISNULL(((SELECT SUM(ISNULL(No_of_Bene_Female, 0) + ISNULL(No_of_Bene_Male, 0)) FROM Data)), 0), 1) AS 'GrandTotal_Total_Bene',
        CONVERT(INT, ISNULL(((SELECT SUM(ISNULL(Daily_Cost_Per_Person, 0) * ISNULL((ISNULL(No_of_Bene_Female, 0) + ISNULL(No_of_Bene_Male, 0)), 0)) FROM Data)), 0), 1) As 'GrandTotal_Total_Daily_Cost'
        FROM Data                   
        WHERE Date_of_Entry BETWEEN @Date_of_Entry_From AND @Date_of_Entry_To OR Date_of_Entry IS NULL              "

in xsd:

change commandtext statement of objectdatasource just like in sqldatasource

<CommandText>
                      SELECT
                      CONVERT(VARCHAR,     (CASE WHEN Autokey IS NULL THEN (SELECT TOP 1 '' AS Autokey FROM Data) ELSE Autokey END), 1) AS Autokey,
                      CONVERT(VARCHAR,     (CASE     WHEN Province IS NULL THEN     (SELECT TOP 1 '' AS Province FROM Data)     ELSE Province    END), 1) AS Province,
                      CONVERT(VARCHAR,     (CASE     WHEN District IS NULL THEN     (SELECT TOP 1 '' AS District FROM Data)     ELSE District    END), 1) AS District,
                      CONVERT(VARCHAR,     (CASE     WHEN Hospital IS NULL THEN     (SELECT TOP 1 '' AS Hospital FROM Data)     ELSE Hospital    END), 1) AS Hospital,
                      CONVERT(VARCHAR,     (CASE     WHEN Caterer_Name IS NULL THEN     (SELECT TOP 1 '' AS Caterer_Name FROM Data)     ELSE Caterer_Name    END), 1) AS Caterer_Name,
                      Date_of_Entry,
                      LEFT((CASE     WHEN Date_of_Entry = '01 Jan 1900' THEN     (SELECT TOP 1 '' AS Date_of_Entry FROM Data)     ELSE DATENAME(WEEKDAY, Date_of_Entry)    END), 3) AS Week,
                      CONVERT(INT, ISNULL(No_of_Daigs, 0), 1) AS No_of_Daigs,
                      CONVERT(VARCHAR,     (CASE     WHEN Food_Item IS NULL THEN     (SELECT TOP 1 '' AS Food_Item FROM Data)     ELSE Food_Item    END), 1) AS Food_Item,
                      CONVERT(INT, ISNULL(No_of_Rotis, 0), 1) AS No_of_Rotis,
                      CONVERT(INT, ISNULL(No_of_Bene_Male, 0), 1) AS No_of_Bene_Male,
                      CONVERT(INT, ISNULL(No_of_Bene_Female, 0), 1) AS No_of_Bene_Female,
                      CONVERT(INT, ISNULL(Daily_Cost_Per_Person, 0), 1) AS Daily_Cost_Per_Person,
                      CONVERT(INT, ISNULL((ISNULL(No_of_Bene_Female, 0) + ISNULL(No_of_Bene_Male, 0)),0), 1) AS 'Total_Bene',
                      CONVERT(INT, ISNULL((ISNULL(Daily_Cost_Per_Person, 0) * ISNULL((ISNULL(No_of_Bene_Female, 0) + ISNULL(No_of_Bene_Male, 0)), 0) ), 0), 1) As 'Total_Daily_Cost',
                      CONVERT(INT, ISNULL(((SELECT SUM(ISNULL(No_of_Bene_Female, 0) + ISNULL(No_of_Bene_Male, 0)) FROM Data)), 0), 1) AS 'GrandTotal_Total_Bene',
                      CONVERT(INT, ISNULL(((SELECT SUM(ISNULL(Daily_Cost_Per_Person, 0) * ISNULL((ISNULL(No_of_Bene_Female, 0) + ISNULL(No_of_Bene_Male, 0)), 0)) FROM Data)), 0), 1) As 'GrandTotal_Total_Daily_Cost'
                      FROM Data
                      WHERE Date_of_Entry BETWEEN @Date_of_Entry_From AND @Date_of_Entry_To OR Date_of_Entry IS NULL
                    </CommandText>

select element as:

<xs:element name="Date_of_Entry" msdata:ReadOnly="true" msprop:Generator_UserColumnName="Date_of_Entry" msprop:Generator_ColumnPropNameInRow="Date_of_Entry" msprop:Generator_ColumnVarNameInTable="columnDate_of_Entry" msprop:Generator_ColumnPropNameInTable="Date_of_EntryColumn" minOccurs="0">
                <xs:simpleType>
                  <xs:restriction base="xs:date">
                  </xs:restriction>
                </xs:simpleType>
              </xs:element>

in rdlc:

change expression of the field as follows. notice that format command is used:

=IIF(Fields!Date_of_Entry.Value = "01 Jan 1900", Nothing, Format(Fields!Date_of_Entry.Value, "dd MMM yyyy"))

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