protected internal virtual void RaiseUnsupportedCapabilityError(
DataSourceCapabilities capability)
{
if ((capability & DataSourceCapabilities.Sort) != 0)
{
if (!CanSort)
{
throw new NotSupportedException("Sort Capabilites");
}
}
if ((capability & DataSourceCapabilities.Page) != 0)
{
if (!CanPage)
{
throw new NotSupportedException("Page Capabilites");
}
}
if ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != 0)
{
if (!CanRetrieveTotalRowCount)
{
throw new NotSupportedException("RetrieveTotalRowCount Capabilites");
}
}
return;
}
/// <summary>
/// Raises custom exception
/// </summary>
/// <param name="capability"></param>
protected override void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability)
{
string error = string.Empty;
if ((capability & DataSourceCapabilities.Page) == DataSourceCapabilities.Page ||
(capability & DataSourceCapabilities.RetrieveTotalRowCount) == DataSourceCapabilities.RetrieveTotalRowCount)
{
error += "For database server side paging, use SELECT$. " +
"Alternatively, for small number of rows only, set DataSourceMode=DataSet";
}
if ((capability & DataSourceCapabilities.Sort) == DataSourceCapabilities.Sort)
{
error += " For database server side paging, use SELECT$. " +
"Alternatively, for small number of rows only, set DataSourceMode=DataSet";
}
if (string.IsNullOrEmpty(error))
{
base.RaiseUnsupportedCapabilityError(capability);
}
else
{
throw new NotSupportedException(error);
}
return;
}
protected internal virtual void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability)
{
if (!this.CanPage && ((capability & DataSourceCapabilities.Page) != DataSourceCapabilities.None))
{
throw new NotSupportedException(System.Web.SR.GetString("DataSourceView_NoPaging"));
}
if (!this.CanSort && ((capability & DataSourceCapabilities.Sort) != DataSourceCapabilities.None))
{
throw new NotSupportedException(System.Web.SR.GetString("DataSourceView_NoSorting"));
}
if (!this.CanRetrieveTotalRowCount && ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != DataSourceCapabilities.None))
{
throw new NotSupportedException(System.Web.SR.GetString("DataSourceView_NoRowCount"));
}
}
protected internal override void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability)
{
if (!this.CanPage && ((capability & DataSourceCapabilities.Page) != DataSourceCapabilities.None))
{
throw new NotSupportedException(System.Web.SR.GetString("SqlDataSourceView_NoPaging", new object[] { this._owner.ID }));
}
if (!this.CanSort && ((capability & DataSourceCapabilities.Sort) != DataSourceCapabilities.None))
{
throw new NotSupportedException(System.Web.SR.GetString("SqlDataSourceView_NoSorting", new object[] { this._owner.ID }));
}
if (!this.CanRetrieveTotalRowCount && ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != DataSourceCapabilities.None))
{
throw new NotSupportedException(System.Web.SR.GetString("SqlDataSourceView_NoRowCount", new object[] { this._owner.ID }));
}
base.RaiseUnsupportedCapabilityError(capability);
}
protected internal override void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability)
{
if ((capability & DataSourceCapabilities.Sort) != 0 && !CanSort)
{
throw CreateNotSupportedException("Sort");
}
if ((capability & DataSourceCapabilities.Page) != 0 && !CanPage)
{
throw CreateNotSupportedException("Page");
}
if ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != 0 && !CanRetrieveTotalRowCount)
{
throw CreateNotSupportedException("RetrieveTotalRowCount");
}
}
public void RaiseUnsupportedCapabilitiesError(DataSourceView view)
{
DataSourceCapabilities capabilities = this._requestedCapabilities & ~this._supportedCapabilities;
if ((capabilities & DataSourceCapabilities.Sort) != DataSourceCapabilities.None)
{
view.RaiseUnsupportedCapabilityError(DataSourceCapabilities.Sort);
}
if ((capabilities & DataSourceCapabilities.Page) != DataSourceCapabilities.None)
{
view.RaiseUnsupportedCapabilityError(DataSourceCapabilities.Page);
}
if ((capabilities & DataSourceCapabilities.RetrieveTotalRowCount) != DataSourceCapabilities.None)
{
view.RaiseUnsupportedCapabilityError(DataSourceCapabilities.RetrieveTotalRowCount);
}
}
// The RaiseUnsupportedCapabilitiesError method is used by data-bound controls
// to compare additional requested capabilities represented by the properties
// of the DataSourceSelectArguments class, such as the ability to sort or page
// through a result set, with the capabilities supported by the data source view.
// The view calls its own RaiseUnsupportedCapabilityError method for each possible
// capability defined in the DataSourceCapabilities enumeration.
public void RaiseUnsupportedCapabilitiesError(DataSourceView view)
{
DataSourceCapabilities requestedCaps = RequestedCapabilities;
DataSourceCapabilities notSupportedCaps = (requestedCaps ^ dsc) & requestedCaps;
if (notSupportedCaps == DataSourceCapabilities.None)
{
return;
}
if ((notSupportedCaps & DataSourceCapabilities.RetrieveTotalRowCount) > 0)
{
notSupportedCaps = DataSourceCapabilities.RetrieveTotalRowCount;
}
else if ((notSupportedCaps & DataSourceCapabilities.Page) > 0)
{
notSupportedCaps = DataSourceCapabilities.Page;
}
view.RaiseUnsupportedCapabilityError(notSupportedCaps);
}
protected internal virtual void RaiseUnsupportedCapabilityError (
DataSourceCapabilities capability)
{
if ((capability & DataSourceCapabilities.Sort) != 0)
if (!CanSort)
throw new NotSupportedException ("Sort Capabilites");
if ((capability & DataSourceCapabilities.Page) != 0)
if (!CanPage)
throw new NotSupportedException("Page Capabilites");
if ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != 0)
if (!CanRetrieveTotalRowCount)
throw new NotSupportedException("RetrieveTotalRowCount Capabilites");
return;
}
/// <devdoc>
/// Executes the SelectCountCommand to retrieve the total row count.
/// </devdoc>
/*protected virtual int QueryTotalRowCount(DbConnection connection, DataSourceSelectArguments arguments) {
int totalRowCount = 0;
bool eventRaised = false;
if (SelectCountCommand.Length > 0) {
// Create command and add parameters
DbCommand command = _owner.CreateCommand(SelectCountCommand, connection);
InitializeParameters(command, SelectParameters);
command.CommandType = GetCommandType(SelectCountCommand, SelectCompareString);
// Raise event to allow customization and cancellation
SqlDataSourceSelectingEventArgs selectCountingEventArgs = new SqlDataSourceSelectingEventArgs(command, arguments, true);
OnSelecting(selectCountingEventArgs);
// If the operation was cancelled, exit immediately
if (selectCountingEventArgs.Cancel) {
return totalRowCount;
}
// the arguments may have been changed
arguments.RaiseUnsupportedCapabilitiesError(this);
//
*/
protected internal override void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability) {
if (!CanPage && ((capability & DataSourceCapabilities.Page) != 0)) {
throw new NotSupportedException(SR.GetString(SR.SqlDataSourceView_NoPaging, _owner.ID));
}
if (!CanSort && ((capability & DataSourceCapabilities.Sort) != 0)) {
throw new NotSupportedException(SR.GetString(SR.SqlDataSourceView_NoSorting, _owner.ID));
}
if (!CanRetrieveTotalRowCount && ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != 0)) {
throw new NotSupportedException(SR.GetString(SR.SqlDataSourceView_NoRowCount, _owner.ID));
}
base.RaiseUnsupportedCapabilityError(capability);
}
protected internal override void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability)
{
if (!this.CanPage && ((capability & DataSourceCapabilities.Page) != DataSourceCapabilities.None))
{
throw new NotSupportedException(System.Web.SR.GetString("SqlDataSourceView_NoPaging", new object[] { this._owner.ID }));
}
if (!this.CanSort && ((capability & DataSourceCapabilities.Sort) != DataSourceCapabilities.None))
{
throw new NotSupportedException(System.Web.SR.GetString("SqlDataSourceView_NoSorting", new object[] { this._owner.ID }));
}
if (!this.CanRetrieveTotalRowCount && ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != DataSourceCapabilities.None))
{
throw new NotSupportedException(System.Web.SR.GetString("SqlDataSourceView_NoRowCount", new object[] { this._owner.ID }));
}
base.RaiseUnsupportedCapabilityError(capability);
}
protected internal virtual new void RaiseUnsupportedCapabilityError (DataSourceCapabilities capability)
{
}
public void DoRaiseUnsupportedCapabilityError(DataSourceCapabilities capability)
{
base.RaiseUnsupportedCapabilityError(capability);
}
// Methods
public void AddSupportedCapabilities(DataSourceCapabilities capabilities)
{
}
protected internal override void RaiseUnsupportedCapabilityError (DataSourceCapabilities capability)
{
if ((capability & DataSourceCapabilities.Sort) != 0 && !CanSort)
throw CreateNotSupportedException ("Sort");
if ((capability & DataSourceCapabilities.Page) != 0 && !CanPage)
throw CreateNotSupportedException ("Page");
if ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != 0 && !CanRetrieveTotalRowCount)
throw CreateNotSupportedException ("RetrieveTotalRowCount");
}
protected internal virtual void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability) {
if (!CanPage && ((capability & DataSourceCapabilities.Page) != 0)) {
throw new NotSupportedException(SR.GetString(SR.DataSourceView_NoPaging));
}
if (!CanSort && ((capability & DataSourceCapabilities.Sort) != 0)) {
throw new NotSupportedException(SR.GetString(SR.DataSourceView_NoSorting));
}
if (!CanRetrieveTotalRowCount && ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != 0)) {
throw new NotSupportedException(SR.GetString(SR.DataSourceView_NoRowCount));
}
}
/// <summary>
/// 向 <see cref="DataSourceSelectArgumentsEx"/> 实例添加一个功能，用于对支持的功能和请求的功能进行比较。
/// </summary>
/// <param name="capabilities"></param>
public void AddSupportedCapabilities(DataSourceCapabilities capabilities)
{
this.supportedCapabilities |= capabilities;
}
public void DoRaiseUnsupportedCapabilityError (DataSourceCapabilities capability)
{
base.RaiseUnsupportedCapabilityError (capability);
}
public void AddSupportedCapabilities(DataSourceCapabilities capabilities)
{
}
public void AddSupportedCapabilities (DataSourceCapabilities srcCapabilities)
{
this.dsc = this.dsc | srcCapabilities;
}
protected internal virtual new void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability)
{
}
protected override void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability)
{
RaiseUnsupportedCapabilityErrorCalled = true;
DataSourceCapabilities = capability;
}
/// <summary>
/// 由 <see cref="DataSourceSelectArgumentsEx.RaiseUnsupportedCapabilitiesError"/> 方法调用，以将<see cref="ExecuteSelect"/> 操作所请求的功能与视图所支持的功能进行比较。
/// </summary>
/// <param name="capability"></param>
protected internal virtual void RaiseUnsupportedCapabilityError(DataSourceCapabilities capability)
{
if (!this.CanPage && ((capability & DataSourceCapabilities.Page) != DataSourceCapabilities.None))
{
throw new NotSupportedException("DataSourceViewEx_NoPaging");
}
if (!this.CanSort && ((capability & DataSourceCapabilities.Sort) != DataSourceCapabilities.None))
{
throw new NotSupportedException("DataSourceViewEx_NoSorting");
}
if (!this.CanRetrieveTotalRowCount && ((capability & DataSourceCapabilities.RetrieveTotalRowCount) != DataSourceCapabilities.None))
{
throw new NotSupportedException("DataSourceViewEx_NoRowCount");
}
}
protected internal override void RaiseUnsupportedCapabilityError (DataSourceCapabilities capability) {
RaiseUnsupportedCapabilityErrorCalled = true;
DataSourceCapabilities = capability;
}
public void AddSupportedCapabilities(DataSourceCapabilities srcCapabilities)
{
this.dsc = this.dsc | srcCapabilities;
}
public void AddSupportedCapabilities(DataSourceCapabilities capabilities)
{
this._supportedCapabilities |= capabilities;
}
