/*
* Init all columns
*/
private void InitColumnsControlls()
{
// clear current query
DropDownListKey.DataSource = null;
DropDownListKey.DataBind();
// list selected table: to be removed
//Label1.Text = ListBoxTables.SelectedItem.ToString();
string sQueryText = "SELECT COLUMN_NAME, ORDINAL_POSITION FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '" +
DropDownListTables.SelectedItem.ToString() + "'ORDER BY ORDINAL_POSITION";
// execute query
SQLManager manager = new SQLManager(sCatalog);
DataTable objTable = new DataTable();
// handle errors
//if (manager.GetQueryResult(sQueryText) == null)
//{
// HandleQueryError();
// return;
//}
objTable.Load(manager.GetQueryResult(sQueryText));
DropDownListKey.DataSource = objTable;
DropDownListKey.DataTextField = "COLUMN_NAME";
DropDownListKey.DataValueField = "ORDINAL_POSITION";
DropDownListKey.DataBind();
manager.CloseConnection();
// init input columns
InitCheckboxFields();
}
/*
* Init all attributes
*/
private void InitAttributes()
{
// clear current query
DropDownListKey.DataSource = null;
DropDownListKey.DataBind();
MiningManager objMiningManager = new MiningManager();
string sQuery = "SELECT HIERARCHY_NAME FROM $system.mdschema_hierarchies WHERE CUBE_NAME = '" +
DropDownListCubes.SelectedItem.Text + "' AND [DIMENSION_UNIQUE_NAME] = '[" +
DropDownListDimensions.SelectedItem.Text + "]'";
// display results
Microsoft.AnalysisServices.AdomdClient.AdomdDataReader objMiningData = objMiningManager.GetQueryResult(sQuery);
List <string> sCubes = new List <string>();
try
{
while (objMiningData.Read())
{
for (int i = 0; i < objMiningData.FieldCount; i++)
{
object value = objMiningData.GetValue(i);
string strValue = (value == null) ? string.Empty : value.ToString();
sCubes.Add(strValue);
}
}
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
}
DropDownListKey.DataSource = sCubes;
DropDownListKey.DataBind();
// init input columns
sQuery = "SELECT HIERARCHY_NAME FROM $system.mdschema_hierarchies WHERE CUBE_NAME = '" +
DropDownListCubes.SelectedItem.Text + "' AND [DIMENSION_UNIQUE_NAME] = '[" +
DropDownListDimensions.SelectedItem.Text + "]' AND HIERARCHY_NAME <> '" + DropDownListKey.SelectedItem.Text + "'";
InitAttributeAndMeasures(sQuery, GridViewAttributes);
// init measures
sQuery = "SELECT MEASURE_NAME FROM $system.mdschema_measures WHERE CUBE_NAME = '" +
DropDownListCubes.SelectedItem.Text + "'";
InitAttributeAndMeasures(sQuery, GridViewMeasures);
}
/*
* Initialize column names in checkbox list and dropdown box
*/
void InitializeColumns(DataTable objMainTable)
{
if (objMainTable == null)
{
return;
}
// reset controlls
DropDownListKey.DataSource = null;
DropDownListKey.DataBind();
CheckBoxListInputColumns.DataSource = null;
CheckBoxListInputColumns.DataBind();
// add columns
for (int i = 0; i < objMainTable.Columns.Count; i++)
{
DropDownListKey.Items.Add(objMainTable.Columns[i].ColumnName.ToString());
CheckBoxListInputColumns.Items.Add(objMainTable.Columns[i].ColumnName.ToString());
}
DropDownListKey.DataBind();
CheckBoxListInputColumns.DataBind();
}
