我在创建维度属性时遇到错误,我想附加更多属性,但它给出了异常。
#region 创建一个创建维度、属性、层次结构和成员属性对象。/// 创建维度、属性、层次结构和成员属性对象。
private static object[] CreateDimension(Database objDatabase, DataSourceView objDataSourceView, string[,] strTableNamesAndKeys, int intDimensionTableCount)
{
try
{
Console.WriteLine("Creating the Dimension, Attribute, Hierarchy, and MemberProperty Objects ...");
Dimension[] objDimensions = new Dimension[intDimensionTableCount];
for (int i = 0; i < intDimensionTableCount; i++)
{
objDimensions[i] = (Dimension)GenerateDimension(objDatabase, objDataSourceView, strTableNamesAndKeys[i, 0], strTableNamesAndKeys[i, 1]);
}
return objDimensions;
}
catch (Exception ex)
{
Console.WriteLine("Error in Creating the Dimension, Attribute, Hierarchy, and MemberProperty Objects. Error Message -> " + ex.Message);
return null;
}
}
/// Generate single dimension.
static DataItem CreateDataItem(DataSourceView dsv, string tableName, string columnName)
{
DataTable dataTable = ((DataSourceView)dsv).Schema.Tables[tableName];
DataColumn dataColumn = dataTable.Columns[columnName];
return new DataItem(tableName, columnName,
OleDbTypeConverter.GetRestrictedOleDbType(dataColumn.DataType));
}
private static object GenerateDimension(Database objDatabase, DataSourceView objDataSourceView, string strTableName, string strTableKeyName)
{
try
{
Dimension objDimension = new Dimension();
//Add Dimension to the Database
objDimension = objDatabase.Dimensions.Add(strTableName);
objDimension.Source = new DataSourceViewBinding(objDataSourceView.ID);
DimensionAttributeCollection objDimensionAttributesColl = objDimension.Attributes;
//Add Dimension Attributes
DimensionAttribute objAttribute = objDimensionAttributesColl.Add(strTableKeyName);
//Set Attribute usage and source
objAttribute.Usage = AttributeUsage.Key;
objAttribute.KeyColumns.Add(strTableName, strTableKeyName, OleDbType.Integer);
objDimension.Update();
if (strTableName == "DimProduct")
{
// objDimension = objDatabase.Dimensions.Add(strTableName);
Dimension dim;
DimensionAttribute attr;
dim = objDatabase.Dimensions.GetByName("DimProduct");
attr = dim.Attributes.Add("Weight");
attr.KeyColumns.Add(CreateDataItem(objDatabase.DataSourceViews[0], "DimProduct", "Weight"));
attr.AttributeHierarchyEnabled = false;
objDatabase.Update();
}
return objDimension;
}
catch (Exception ex)
{
Console.WriteLine("Error in Creating the Dimension, Attribute, Hierarchy, and MemberProperty Objects - GenerateDimension. Error Message -> " + ex.Message);
return null;
}
}
#endregion Creating a Creating the Dimension, Attribute, Hierarchy, and MemberProperty Objects.
我应该怎么办?