我想建立在「WebSharingAppDemo-SqlProviderEndToEnd」msdn示例應用程序構建出一個自定義的MSF實現。作爲其中的一部分,我將參數化過濾器添加到配置中。我一直在參考http://jtabadero.wordpress.com/2010/09/02/sync-framework-provisioning/瞭解如何做到這一點。現在,我已經到位,當我重新初始化「等方」數據庫,並嘗試提供它最初我現在得到一個錯誤:範圍不是從模板創建不能使用FilterParameters錯誤
Scopes not created from a template cannot have FilterParameters. Parameter '@my_param_name' was found on Table '[my_table_name]'. Please ensure that no FilterParameters are being defined on a scope that is not created from a template.
唯一想我必須以什麼爲「模板」的是Sync Toolkit工具可以使用的配置模板,但我認爲這不適用於我正在使用的場景。
我一直無法找到任何可以說明我應該如何解決此問題的方法。所以我怎麼能通過這個錯誤,但仍然配置我的數據庫參數化過濾器?
下面的代碼是我用來構建過濾到配置(SqlSyncScopeProvisioning
)對象。
private void AddFiltersToProvisioning(IEnumerable<TableInfo> tables)
{
IEnumerable<FilterColumn> filters = this.GetFilterColumnInfo();
foreach (TableInfo tblInfo in tables)
{
this.AddFiltersForTable(tblInfo, filters);
}
}
private void AddFiltersForTable(TableInfo tblInfo, IEnumerable<FilterColumn> filters)
{
IEnumerable<FilterColumn> tblFilters;
tblFilters = filters.Where(x => x.FilterLevelID == tblInfo.FilterLevelID);
if (tblFilters != null && tblFilters.Count() > 0)
{
var tblDef = this.GetTableColumns(tblInfo.TableName);
StringBuilder filterClause = new StringBuilder();
foreach (FilterColumn column in tblFilters)
{
this.AddColumnFilter(tblDef, column.ColumnName, filterClause);
}
this.Provisioning.Tables[tblInfo.TableName].FilterClause = filterClause.ToString();
}
}
private void AddColumnFilter(IEnumerable<TableColumnInfo> tblDef, string columnName, StringBuilder filterClause)
{
TableColumnInfo columnInfo;
columnInfo = tblDef.FirstOrDefault(x => x.ColumnName.Equals(columnName, StringComparison.CurrentCultureIgnoreCase));
if (columnInfo != null)
{
this.FlagColumnForFiltering(columnInfo.TableName, columnInfo.ColumnName);
this.BuildFilterClause(filterClause, columnInfo.ColumnName);
this.AddParamter(columnInfo);
}
}
private void FlagColumnForFiltering(string tableName, string columnName)
{
this.Provisioning.Tables[tableName].AddFilterColumn(columnName);
}
private void BuildFilterClause(StringBuilder filterClause, string columnName)
{
if (filterClause.Length > 0)
{
filterClause.Append(" AND ");
}
filterClause.AppendFormat("[base].[{0}] = @{0}", columnName);
}
private void AddParamter(TableColumnInfo columnInfo)
{
SqlParameter parameter = new SqlParameter("@" + columnInfo.ColumnName, columnInfo.GetSqlDataType());
if (columnInfo.DataTypeLength > 0)
{
parameter.Size = columnInfo.DataTypeLength;
}
this.Provisioning.Tables[columnInfo.TableName].FilterParameters.Add(parameter);
}
我想我找到了我想念的東西。我不知何故錯過了配置對象的構造函數中的'SqlSyncScopeProvisioningType.Template'。謝謝你的幫助。 – davidpricedev 2012-01-27 15:31:11