/// <summary>
/// 取得主檔資料列。
/// </summary>
/// <param name="dataSet">資料集。</param>
public static DataRow GetMasterRow(DataSet dataSet)
{
DataTable oTable;
if (DataFunc.IsEmpty(dataSet))
{
return(null);
}
oTable = dataSet.Tables[dataSet.DataSetName];
if (!DataFunc.IsEmpty(oTable))
{
if (oTable.Rows.Count > 0)
{
return(oTable.Rows[0]);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
/// <summary>
/// 取得欄位值後轉型成Guid。
/// </summary>
/// <param name="row">資料列。</param>
/// <param name="fieldName">欄位名稱。</param>
/// <param name="dataRowVersion">資料列版本。</param>
public static Guid ValueAsGuid(this DataRow row, string fieldName, DataRowVersion dataRowVersion)
{
if (BaseFunc.IsNotNull(row) && DataFunc.HasField(row, fieldName))
{
return(BaseFunc.CGuid(row[fieldName, dataRowVersion]));
}
return(Guid.Empty);
}
/// <summary>
/// 取得欄位值後轉型成DateTime。
/// </summary>
/// <param name="row">資料列。</param>
/// <param name="fieldName">欄位名稱。</param>
/// <param name="dataRowVersion">資料列版本。</param>
public static DateTime ValueAsDateTime(this DataRow row, string fieldName, DataRowVersion dataRowVersion)
{
if (BaseFunc.IsNotNull(row) && DataFunc.HasField(row, fieldName))
{
return(BaseFunc.CDateTime(row[fieldName, dataRowVersion]));
}
return(default(DateTime));
}
/// <summary>
/// 取得欄位值後轉型成bool。
/// </summary>
/// <param name="row">資料列。</param>
/// <param name="fieldName">欄位名稱。</param>
/// <param name="dataRowVersion">資料列版本。</param>
public static bool ValueAsBool(this DataRow row, string fieldName, DataRowVersion dataRowVersion)
{
if (BaseFunc.IsNotNull(row) && DataFunc.HasField(row, fieldName))
{
return(BaseFunc.CBool(row[fieldName, dataRowVersion]));
}
return(false);
}
/// <summary>
/// 取得欄位值後轉型成string。
/// </summary>
/// <param name="row">資料列。</param>
/// <param name="fieldName">欄位名稱。</param>
/// <param name="dataRowVersion">資料列版本。</param>
public static string ValueAsString(this DataRow row, string fieldName, DataRowVersion dataRowVersion)
{
if (BaseFunc.IsNotNull(row) && DataFunc.HasField(row, fieldName))
{
return(BaseFunc.CStr(row[fieldName, dataRowVersion]));
}
return("");
}
/// <summary>
/// 取得欄位值後轉型成decimal。
/// </summary>
/// <param name="row">資料列。</param>
/// <param name="fieldName">欄位名稱。</param>
/// <param name="dataRowVersion">資料列版本。</param>
public static decimal ValueAsDecimal(this DataRow row, string fieldName, DataRowVersion dataRowVersion)
{
if (BaseFunc.IsNotNull(row) && DataFunc.HasField(row, fieldName))
{
return(BaseFunc.CDecimal(row[fieldName, dataRowVersion]));
}
return(0);
}
/// <summary>
/// 取得欄位值後轉型成float
/// </summary>
/// <param name="row">資料列</param>
/// <param name="fieldName">欄位名稱</param>
/// <returns></returns>
public static float ValueAsFloat(this DataRow row, string fieldName)
{
if (BaseFunc.IsNotNull(row) && DataFunc.HasField(row, fieldName))
{
return(BaseFunc.CFloat(row[fieldName]));
}
return(0);
}
/// <summary>
/// 取得欄位值後轉型成double
/// </summary>
/// <param name="row">資料列</param>
/// <param name="fieldName">欄位名稱</param>
/// <returns></returns>
public static double ValueAsDouble(this DataRow row, string fieldName)
{
if (BaseFunc.IsNotNull(row) && DataFunc.HasField(row, fieldName))
{
return(BaseFunc.CDouble(row[fieldName]));
}
return(0);
}
/// <summary>
/// 建立欄位並加入資料表。
/// </summary>
/// <param name="fieldName">欄位名稱。</param>
/// <param name="fieldDbType">欄位資料型別。</param>
public DataColumn AddColumn(string fieldName, EFieldDbType fieldDbType)
{
Type oDataType;
oDataType = DbTypeConverter.ToType(fieldDbType);
object oDefaultValue = DataFunc.GetDefaultValue(oDataType);
return(this.AddColumn(fieldName, oDataType, oDefaultValue));
}
/// <summary>
/// 根據來源單指定欄位資料，新增目的單指定欄位資料列
/// </summary>
/// <param name="destTable"></param>
/// <param name="srcTable"></param>
/// <param name="destField"></param>
/// <param name="srcField"></param>
public static void AddSrcTableRow(DataTable destTable, DataTable srcTable, string destField, string srcField)
{
if (DataFunc.HasField(destTable, destField) && DataFunc.HasField(srcTable, srcField))
{
foreach (DataRow row in srcTable.Rows)
{
DataRow newRow = destTable.NewRow();
newRow[destField] = row[srcField].ToString();
destTable.Rows.Add(newRow);
}
}
}
/// <summary>
/// 對目的資料表新增來源資料表中的資料列，有相同欄位時才會塞值。
/// </summary>
/// <param name="destDataTable">目的資料表。</param>
/// <param name="sourceTable">來源資料表。</param>
/// <param name="allowNull">是否允許Null值</param>
public static void AddTableRows(DataTable destDataTable, DataTable sourceTable, bool allowNull = true)
{
if (BaseFunc.IsNull(destDataTable))
{
return;
}
if (DataFunc.IsEmpty(sourceTable))
{
return;
}
foreach (DataRowView sourceRow in sourceTable.DefaultView)
{
AddRow(destDataTable, sourceRow.Row, allowNull);
}
}
/// <summary>
/// 建立欄位並加入資料表中。
/// </summary>
/// <param name="fieldName">欄位名稱。</param>
/// <param name="caption">欄位標題。</param>
/// <param name="dataType">資料型別。</param>
public DataColumn AddColumn(string fieldName, string caption, Type dataType)
{
object oDefaultValue = DataFunc.GetDefaultValue(dataType);
return(AddColumn(fieldName, caption, dataType, oDefaultValue));
}
/// <summary>
/// 建構函式。
/// </summary>
/// <param name="tableName">資料表名稱。</param>
public GDataTableHelper(string tableName)
{
DataTable = DataFunc.CreateDataTable(tableName);
DataTable.RemotingFormat = SerializationFormat.Binary;
}
/// <summary>
/// 設定資料表的主索引鍵。
/// </summary>
/// <param name="fieldNames">主索引鍵的欄位集合字串(以逗點分隔多個欄位名稱)。</param>
public void SetPrimaryKey(string fieldNames)
{
DataFunc.DataTableSetPrimaryKey(this.DataTable, fieldNames);
}
/// <summary>
/// 建立欄位並加入資料表。
/// </summary>
/// <param name="fieldName">欄位名稱。</param>
/// <param name="dataType">資料型別。</param>
public DataColumn AddColumn(string fieldName, Type dataType)
{
object oDefaultValue = DataFunc.GetDefaultValue(dataType);
return(this.AddColumn(fieldName, dataType, oDefaultValue));
}
