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c# Programming Glossary: dbnull.valuehttp://stackoverflow.com/questions/1171717/c-sharp-conditional-operator object valueFromDatabase decimal result valueFromDatabase DBNull.Value result decimal valueFromDatabase DBNull.Value valueFromDatabase.. DBNull.Value result decimal valueFromDatabase DBNull.Value valueFromDatabase 0 result valueFromDatabase DBNull.Value decimal.. DBNull.Value valueFromDatabase 0 result valueFromDatabase DBNull.Value decimal valueFromDatabase decimal 0 The first result evaluation..
Convert OLE object in DataRow into byte[] C# http://stackoverflow.com/questions/19688641/convert-ole-object-in-datarow-into-byte-c-sharp eq.NInventario row Codigo .ToString if row FOTO DBNull.Value row FOTO null string str row FOTO .ToString byte b stringToByteArray..
Why is this code invalid in C#? http://stackoverflow.com/questions/202271/why-is-this-code-invalid-in-c code will not compile string foo bar Object o foo null DBNull.Value foo I get Error 1 Type of conditional expression cannot be determined.. do something like this string foo bar Object o foo null DBNull.Value Object foo This cast seems pointless as this is certainly legal..
C# ADO.NET: nulls and DbNull — is there more efficient syntax? http://stackoverflow.com/questions/218808/c-sharp-ado-net-nulls-and-dbnull-is-there-more-efficient-syntax thought initially I'd be clever datePrm.Value nullableDate DBNull.Value but that fails with the error Operator ' ' cannot be applied.. for datePrm.Value nullableDate.HasValue nullableDate.Value DBNull.Value but that doesn't work either Type of conditional expression.. datePrm.Value nullableDate.Value else datePrm.Value DBNull.Value Is that really the only way I can write this Is there a way..
DataTable internal index is corrupted http://stackoverflow.com/questions/450675/datatable-internal-index-is-corrupted are not setting null C# Nothing VB to a DataRow field. Use DBNull.Value instead of null. In your case you may wish to check that the..
http://stackoverflow.com/questions/451460/datatable-to-json object value Type DataType null if value DBNull.Value return null numeric if Array.IndexOf numeric DataType 1 return..
How to assign null to a sqlparameter? http://stackoverflow.com/questions/4555935/how-to-assign-null-to-a-sqlparameter planIndexParameter.Value AgeItem.AgeIndex null DBNull.Value AgeItem.AgeIndex parameters 0 planIndexParameter c# dbnull.. planIndexParameter.Value object AgeItem.AgeIndex DBNull.Value parameters 0 planIndexParameter Here is a quote from the MSDN..
Best way to check if a Data Table has a null value in it http://stackoverflow.com/questions/4604414/best-way-to-check-if-a-data-table-has-a-null-value-in-it question Try comparing the value of the column to the DBNull.Value value to filter and manage null values in whatever way you see.. row in table.Rows object value row ColumnName if value DBNull.Value do something else do something else More information about the..
Different ways of passing sqlCommand parameters http://stackoverflow.com/questions/4624811/different-ways-of-passing-sqlcommand-parameters to track and find Imagine what happens when you pass in a DBNull.Value what datatype should ADO.NET pick for that Just be explicit..
http://stackoverflow.com/questions/5462671/valueinjecter-and-datatable null continue var value source.ItemArray i if value DBNull.Value continue activeTarget.SetValue target value this works pretty..
.NET - Convert Generic Collection to DataTable http://stackoverflow.com/questions/701223/net-convert-generic-collection-to-datatable the assignment to be row prop.Name prop.GetValue item DBNull.Value and when adding the columns to be table.Columns.Add prop.Name..
http://stackoverflow.com/questions/7026566/failed-to-enable-constraints-one-or-more-rows-contain-values-violating-non-null ItemArray object 10 RowError Column 'eval' does not allow DBNull.Value. So I solve my problem by replacing e.eval to NVL e.eval ''..
Unable to cast object of type 'System.DBNull' to type 'System.String` http://stackoverflow.com/questions/870697/unable-to-cast-object-of-type-system-dbnull-to-type-system-string question A shorter form can be used return accountNumber DBNull.Value string.Empty accountNumber.ToString EDIT Haven't paid attention..
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