Added XlsxNumberFormat.Text (a.k.a. @).

README.md

@@ -431,6 +431,7 @@ Excel defines and reserves many "magic" number formats, and this library exposes
 * `XlsxNumberFormat.Scientific`: scientific notation with two decimals and two-digit exponent, that is the format code `"0.00E+00"`.
 * `XlsxNumberFormat.ShortDate`: localized day, month and year as digits; for a European format the equivalent code would be `"dd/mm/yyyy"` but the actual code would be locale-dependent.
 * `XlsxNumberFormat.ShortDateTime`: localized day, month and year as digits with hours and minutes; for a European format the equivalent code would be `"dd/mm/yyyy hh:mm"` but the actual code would be locale-dependent.
+* `XlsxNumberFormat.Text`: treat newly inserted numbers as text, that is the format code `"@"`.
 
 
 #### Alignment
@@ -480,5 +481,4 @@ Redistribution and use in source and binary forms, with or without modification,
 
 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-,
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

examples/Examples/NumberFormats.cs

@@ -49,6 +49,7 @@ public static void Run()
                 var scientificStyle = XlsxStyle.Default.With(XlsxNumberFormat.Scientific);
                 var shortDateStyle = XlsxStyle.Default.With(XlsxNumberFormat.ShortDate);
                 var shortDateTimeStyle = XlsxStyle.Default.With(XlsxNumberFormat.ShortDateTime);
+                var textStyle = XlsxStyle.Default.With(XlsxNumberFormat.Text);
                 var customStyle1 = XlsxStyle.Default.With(customNumberFormat1);
                 var customStyle2 = XlsxStyle.Default.With(customNumberFormat2);
 
@@ -64,6 +65,7 @@ public static void Run()
                     .BeginRow().Write(nameof(XlsxNumberFormat.Scientific)).Write(1234.5678, scientificStyle).Write(1.2, scientificStyle)
                     .BeginRow().Write(nameof(XlsxNumberFormat.ShortDate)).Write(1234.5678, shortDateStyle).Write(1.2, shortDateStyle)
                     .BeginRow().Write(nameof(XlsxNumberFormat.ShortDateTime)).Write(1234.5678, shortDateTimeStyle).Write(1.2, shortDateTimeStyle)
+                    .BeginRow().Write(nameof(XlsxNumberFormat.Text)).Write(1234.5678, textStyle).Write(1.2, textStyle)
                     .BeginRow().Write(customNumberFormat1.FormatCode).Write(1234.5678, customStyle1).Write(1.2, customStyle1)
                     .BeginRow().Write(customNumberFormat2.FormatCode).Write(1234.5678, customStyle2).Write(1.2, customStyle2);
             }

src/LargeXlsx/LargeXlsx.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <Version>1.0.0</Version>
+    <Version>1.1.0</Version>
     <Authors>Salvo Isaja</Authors>
     <Company>Salvo Isaja</Company>
     <Copyright>Copyright 2020  Salvatore Isaja</Copyright>

src/LargeXlsx/Stylesheet.cs

@@ -75,7 +75,8 @@ public Stylesheet()
                 [XlsxNumberFormat.TwoDecimalPercentage] = 10,
                 [XlsxNumberFormat.Scientific] = 11,
                 [XlsxNumberFormat.ShortDate] = 14,
-                [XlsxNumberFormat.ShortDateTime] = 22
+                [XlsxNumberFormat.ShortDateTime] = 22,
+                [XlsxNumberFormat.Text] = 49
             };
             _nextNumberFormatId = FirstCustomNumberFormatId;
 

src/LargeXlsx/XlsxNumberFormat.cs

@@ -41,6 +41,7 @@ public class XlsxNumberFormat : IEquatable<XlsxNumberFormat>
         public static readonly XlsxNumberFormat Scientific = new XlsxNumberFormat("0.00E+00");
         public static readonly XlsxNumberFormat ShortDate = new XlsxNumberFormat("dd/mm/yyyy");
         public static readonly XlsxNumberFormat ShortDateTime = new XlsxNumberFormat("dd/mm/yyyy hh:mm");
+        public static readonly XlsxNumberFormat Text = new XlsxNumberFormat("@");
 
         public string FormatCode { get; }