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Nullable With Optional... 13 Years Ago by rohitorque I saw similar post in several forums but still i have the same doubt... CAN I USE NULLABLE WITH OPTIONAL KEYWORD??? What is the problem with using both together??? are these 2 keywords similar??? hope someone will clear it for me.. Total Milliseconds on Nullable Timespan? 13 Years Ago by lxXTaCoXxl …but my math won't work because I have a nullable DateTime variable and the error it gives me is '…System.Nullable<System.TimeSpan>' does not contain a definition for… method 'TotalMilliseconds' accepting a first argument of type 'System.Nullable<System.TimeSpan>' could be found (are you missing… Re: Total Milliseconds on Nullable Timespan? 13 Years Ago by Momerath Since the DateTime is nullable, you should check if it is null before your TotalLife calculation, then cast it into a DateTime. Re: Total Milliseconds on Nullable Timespan? 13 Years Ago by skatamatic Why would the birth ever be nullable? Once the object is initialized, is this not its birth time? Re: Total Milliseconds on Nullable Timespan? 13 Years Ago by lxXTaCoXxl … = (DateTime.Now - ParticleBirth.Value).TotalMilliseconds;[/code] The point of a nullable time is so that I can achieve handling for if… Handle Nullable Date Field with DateTimePicker Control 16 Years Ago by warun Dear All, Which is the best pratice to handle a Nullable Date Field with DateTimePicker control. From my previous experience i learned that we could not show Null in datetimepicker control, i used to fix this problem with IIF function. can anyone help me out to solve this problem in a better way Warun Re: generic nullable issue 14 Years Ago by gusano79 [QUOTE=VIeditorlover;1563071]The type 'T' must be a non-nullable value type in order to use it as parameter 'T' … the generic type or method 'System.Nullable<T>'[/QUOTE] Key phrase: "non-nullable value type" So [ICODE]T….e.[/I], a class), and it can't be a nullable value type ([I]e.g.[/I], [ICODE]int?[/ICODE]). You… Re: generic nullable issue 14 Years Ago by VIeditorlover … this error Error The type 'T' must be a non-nullable value type in order to use it as parameter 'T… Violation of PRIMARY KEY constraint 'PK_client'. Cannot insert duplicate key in objec 13 Years Ago by jacob21 …. /// </summary> [EdmScalarPropertyAttribute(EntityKeyProperty=false, IsNullable=true)] [DataMemberAttribute()] public Nullable<global::System.Double> amount { get { return _amount; } set… Cannot insert explicit value for identity column in table 'client' when IDENTITY_INSE 13 Years Ago by jacob21 …(EntityKeyProperty=false, IsNullable=true)] [DataMemberAttribute()] public Nullable<global::System.Double> ser_tax { get…(EntityKeyProperty=false, IsNullable=true)] [DataMemberAttribute()] public Nullable<global::System.Double> scs_mfree { get… Entity Framework ObjectResult As IEnumerable 12 Years Ago by john.gale.92102 …String Public Property contact As String Public Property policyId As Nullable(Of Integer) Public Property billDivNo As String Public Property… associationId As Nullable(Of Integer) Public Property binderNo As String Public Property … please help me Answer these questions correctly 15 Years Ago by salman1986 …the following are true about Nullable Types? 1) A Nullable type is a reference type 2) A Nullable type is a structure …3) An implicit converstion exists from any Non-nullable value type to a nullable from of that type (Correct) 4) An …type 5) A predefined conversion from the nullable type S to the nullable type T exists if there is a predefined… Not getting model from view post 12 Years Ago by john.gale.92102 … Property employeeId As Nullable(Of Integer) Public Property bundleId As Nullable(Of Integer) Public Property packageId As Nullable(Of Integer) Public… Property effectiveDate As Nullable(Of Date) Public Property renewalDate As Nullable(Of Date) Public Property processDate As Nullable(Of Date) Public… JSF HTTP 500 error 16 Years Ago by kohuke …GeneratedValue(strategy = GenerationType.IDENTITY) @Column(name = "property", nullable = false) private Integer property; @Column(name = "name"…) private Date created; @Column(name = "updated", nullable = false) @Temporal(TemporalType.TIMESTAMP) private Date updated; @JoinColumn(… Dynamic filters in n-tier applications - how to implement? 15 Years Ago by midix … GetCustomersByFilter method? Dictionary with field names as keys? Many nullable parameters? Custom objects? It would be nice to use… fields easily just by detecting if some field is nullable or not. So maybe I need some other object…, like CustomerFilter with all nullable fields? Wouldn't it be overkill to have two… how to password protect an accdb file 13 Years Ago by VIPER5646 …quot;).Value = True .Columns("ID").Properties("Nullable").Value = False .Columns.Append("FirstName",…DataTypeEnum.adVarWChar, 75) .Columns("FirstName").Properties("Nullable").Value = True .Columns.Append("LastName", … failed authentication 13 Years Ago by ririnsfabrie …public string Password { get; set; } public Nullable<int> RoleID { get; set;…public string FilterPassword { get; set; } public Nullable<int> FilterRoleID { get; set;… SearchView is not filtering the gridview in fragment 7 Years Ago by Saboor880 …os.Bundle; import android.support.annotation.Nullable; import android.view.LayoutInflater; import … super.onAttach(context); } @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override … Re: Recent Interview Questions that i face 15 Years Ago by sknake …icode]~Finalizers[/icode]. [B]>>19)What are Nullable types in C#?[/B] [icode]Nothing[/icode] is not… [icode]null[/icode] in C#. Value-types are not nullable (struct, ex: int, DateTime) but reference types (class…' [/code] Most all of your primative data types are not nullable: DateTime, Int16, Int32, Int64, UInt16, UInt32, UInt64, Byte,… No suitable driver found for jdbc:mysql://.... on jsf page 16 Years Ago by kohuke … long serialVersionUID = 1L; @Id @Column(name = "property_ID", nullable = false) private Integer propertyID; @Column(name = "property_name"…) private String propertyName; @Column(name = "created", nullable = false) @Temporal(TemporalType.TIMESTAMP) private Date created; @Column(name = … Re: How can I get the Enum type with reflection? 14 Years Ago by ffonz …CODE] where property is a PropertyInfo. If a nullable enum is used, one could use: [CODE]string enumType…Enum.GetUnderlyingType(prop_type).Name; else if (IsNullableEnum(prop_type)) enumType = Nullable.GetUnderlyingType(prop_type).Name; val = string.Format("{0}.{1}"… C# VS 2005 - SQL Query Parameters to an ODBC DataSource 19 Years Ago by jcrcarmo …{ this.qryALL1TableAdapter.FillByClienteDataTipo(this.sascrDataSet.qryALL1, cbCliente.Text, new System.Nullable<System.DateTime>(((System.DateTime)(System.Convert.ChangeType(DataIni….Text, typeof(System.DateTime))))), new System.Nullable<System.DateTime>(((System.DateTime)(System.Convert.ChangeType(DataFin… Create Table on SqlServer Through Asp.net coding 18 Years Ago by shikha.ch … Column(newTab, "ID") idCol.DataType = DataType.Int idCol.Nullable = False idCol.Identity = True idCol.IdentitySeed = 1 idCol.IdentityIncrement = 1…(newTab, "Name") nameCol.DataType = DataType.VarChar(20) nameCol.Nullable = False newTab.Columns.Add(idCol) newTab.Columns.Add(nameCol) l1… null to not null conversion of column??? 16 Years Ago by surgupta … numeric )[/code] [I]by default both ename and integer is nullable........ Now if i want to convert ename into not… nullable then how can I do this??[/I] so that it … setting a password in a database.. 15 Years Ago by robayas …; Or txt_confirmpassword.Text = "" Then 'txt_confirmpassword.Text = Nullable Or txt_password.Text = Nullable Then MsgBox("Enter both and new and confirm… Passing variable with DBNull via INSERT INTO 15 Years Ago by AWLWales … I need to upgrade to a later version which has nullable data types, eg nullable integers and doubles etc? How can I get the Enum type with reflection? 14 Years Ago by ffonz …ICODE]? I do have to mention that the enums are nullable! To be more specific this is the method I … } file.Close(); } public static bool IsNullableEnum(Type t) { Type u = Nullable.GetUnderlyingType(t); return (u != null) && u.IsEnum; } [/CODE… How would you design this method? 14 Years Ago by DaveTran … it isn't. The value is non nullable but I would also like to avoid nullable 'Vector3?' types if possible. My thought… returning query results from ODBC 14 Years Ago by AFinger …SQLSMALLINT ColumnNameLength; SQLSMALLINT ColumnType; SQLUINTEGER ColumnSize; SQLSMALLINT DecimalDigits; SQLSMALLINT Nullable; SQLPOINTER TargetValue; } _ColumnInfo;[/CODE] [CODE=C++] int …, &ColInfo[i].DecimalDigits, &ColInfo[i].Nullable); //convert to SQL_CHAR if necessary so SqlGetData knows … xml files comparing using vb or java script 13 Years Ago by balu_mtx42 …;0" id="0" name="swtitle_id" nullable="false" remarks="" size="10"…;0" id="1" name="machine_id" nullable="false" remarks="" size="10"…