ADO.NET Provider for Excel Services

Build 21.0.8137

Connection String Options

The connection string properties are the various options that can be used to establish a connection. This section provides a complete list of the options you can configure in the connection string for this provider. Click the links for further details.

For more information on connecting, see Establishing a Connection.

Authentication


PropertyDescription
AuthSchemeThe scheme used for authentication. Accepted entries are NTLM, Basic, Digest, Forms, None, and Negotiate.
URLThe base URL for a site or site collection.
UserThe username of the account used to authenticate to the server.
PasswordThe password of the account used to authenticate to the server.
SharePointEditionThe edition of SharePoint being used. Set either SharePoint Online or SharePoint On-Premise.
SharePointVersionThe version of the SharePoint server to which you are connecting.
STSURLThe URL of the security token service (STS) when using Single Sign On (SSO).
UseNTLMV1Determines whether the driver will attempt to connect with NTLMv1 or NTLMv2 (default).

Connection


PropertyDescription
DefineTablesDefine the tables within a spreadsheet on SharePoint Online.
FileThe name of the Excel file to which to connect.
FolderThe folder containing the workbook specified by the File property.
HeaderIndicates whether the first row should be used as a column header when using the REST API.
LibraryThe Document Library to which to connect.
IgnoreCalcErrorIndicates whether to ignore errors that occurred during the calculation.
MaxRowsLimits the number of rows returned rows when no aggregation or group by is used in the query. This helps avoid performance issues at design time.
TypeDetectionSchemeDetermines how to determine the data type of columns.
UseRESTAPIWhether or not the REST API is used for retrieving data.

SSO


PropertyDescription
SSOLoginURLThe identity provider's login URL.
SSODomainThe domain of the user when using single sign-on (SSO).
SSOPropertiesAdditional properties required to connect to the identity provider in a semicolon-separated list.

Kerberos


PropertyDescription
KerberosKDCThe Kerberos Key Distribution Center (KDC) service used to authenticate the user.
KerberosRealmThe Kerberos Realm used to authenticate the user with.
KerberosSPNThe service principal name (SPN) for the Kerberos Domain Controller.
KerberosKeytabFileThe Keytab file containing your pairs of Kerberos principals and encrypted keys.
KerberosServiceRealmThe Kerberos realm of the service.
KerberosServiceKDCThe Kerberos KDC of the service.
KerberosTicketCacheThe full file path to an MIT Kerberos credential cache file.

SSL


PropertyDescription
SSLServerCertThe certificate to be accepted from the server when connecting using TLS/SSL.

Firewall


PropertyDescription
FirewallTypeThe protocol used by a proxy-based firewall.
FirewallServerThe name or IP address of a proxy-based firewall.
FirewallPortThe TCP port for a proxy-based firewall.
FirewallUserThe user name to use to authenticate with a proxy-based firewall.
FirewallPasswordA password used to authenticate to a proxy-based firewall.

Proxy


PropertyDescription
ProxyAutoDetectThis indicates whether to use the system proxy settings or not. This takes precedence over other proxy settings, so you'll need to set ProxyAutoDetect to FALSE in order use custom proxy settings.
ProxyServerThe hostname or IP address of a proxy to route HTTP traffic through.
ProxyPortThe TCP port the ProxyServer proxy is running on.
ProxyAuthSchemeThe authentication type to use to authenticate to the ProxyServer proxy.
ProxyUserA user name to be used to authenticate to the ProxyServer proxy.
ProxyPasswordA password to be used to authenticate to the ProxyServer proxy.
ProxySSLTypeThe SSL type to use when connecting to the ProxyServer proxy.
ProxyExceptionsA semicolon separated list of destination hostnames or IPs that are exempt from connecting through the ProxyServer .

Logging


PropertyDescription
LogfileA filepath which designates the name and location of the log file.
VerbosityThe verbosity level that determines the amount of detail included in the log file.
LogModulesCore modules to be included in the log file.
MaxLogFileSizeA string specifying the maximum size in bytes for a log file (for example, 10 MB).
MaxLogFileCountA string specifying the maximum file count of log files.

Schema


PropertyDescription
LocationA path to the directory that contains the schema files defining tables, views, and stored procedures.
BrowsableSchemasThis property restricts the schemas reported to a subset of the available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC.
TablesThis property restricts the tables reported to a subset of the available tables. For example, Tables=TableA,TableB,TableC.
ViewsRestricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC.

Caching


PropertyDescription
AutoCacheAutomatically caches the results of SELECT queries into a cache database specified by either CacheLocation or both of CacheConnection and CacheProvider .
CacheProviderThe name of the provider to be used to cache data.
CacheConnectionThe connection string for the cache database. This property is always used in conjunction with CacheProvider . Setting both properties will override the value set for CacheLocation for caching data.
CacheLocationSpecifies the path to the cache when caching to a file.
CacheToleranceThe tolerance for stale data in the cache specified in seconds when using AutoCache .
OfflineUse offline mode to get the data from the cache instead of the live source.
CacheMetadataThis property determines whether or not to cache the table metadata to a file store.

Miscellaneous


PropertyDescription
ConnectionLifeTimeThe maximum lifetime of a connection in seconds. Once the time has elapsed, the connection object is disposed.
IncludeNavigationParentColumnsIndicates if navigation parent columns should be included on navigation views.
OtherThese hidden properties are used only in specific use cases.
PoolIdleTimeoutThe allowed idle time for a connection before it is closed.
PoolMaxSizeThe maximum connections in the pool.
PoolMinSizeThe minimum number of connections in the pool.
PoolWaitTimeThe max seconds to wait for an available connection.
PseudoColumnsThis property indicates whether or not to include pseudo columns as columns to the table.
RowScanDepthThe maximum number of rows to scan to look for the columns available in a table.
RTKThe runtime key used for licensing.
ShowEmptyRowsIndicates whether or not the empty rows should be pushed when UseRESTAPI = true.
SupportEnhancedSQLThis property enhances SQL functionality beyond what can be supported through the API directly, by enabling in-memory client-side processing.
TimeoutThe value in seconds until the timeout error is thrown, canceling the operation.
UseConnectionPoolingThis property enables connection pooling.

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Build 21.0.8137