/// <summary>
/// Convert cell value to DateTime
/// </summary>
/// <param name="dataRow"></param>
/// <param name="columnName">we will use dataRow[0] instead of empty columnName</param>
/// <param name="defaultVal">the value should return if convert is failed or your data row value is DBNull</param>
/// <returns></returns>
public static DateTime ToDateTime(this DataRow dataRow, string columnName, DateTimeDefaultReturn defaultDtVal = DateTimeDefaultReturn.Now)
{
if (dataRow == null)
{
throw new ArgumentNullException("dataRow");
}
DateTime dtNow = DateTime.Now;
if (defaultDtVal == DateTimeDefaultReturn.Min)
{
dtNow = DateTime.MinValue;
}
if (defaultDtVal == DateTimeDefaultReturn.Max)
{
dtNow = DateTime.MaxValue;
}
string result = string.Empty;
if (!string.IsNullOrEmpty(columnName))
{
result = GlobalExt.ObjectToString(dataRow[columnName]);
}
else
{
result = GlobalExt.ObjectToString(dataRow[0]);
}
if (!string.IsNullOrEmpty(result))
{
DateTime.TryParse(result, out dtNow);
return(dtNow);
}
return(DateTime.Now);
}
/// <summary>
/// Convert cell value to bool
/// </summary>
/// <param name="dataRow">data row value could be: "True","true","False","false",0,1,or any other numbers</param>
/// <param name="columnName">we will use dataRow[0] instead of empty columnName</param>
/// <param name="defaultVal">the value should return if convert is failed or your data row value is DBNull</param>
/// <returns>return ture if data row value is numberic and greater than 0,otherwise return false</returns>
public static bool ToBoolean(this DataRow dataRow, string columnName, bool defaultVal = false)
{
if (dataRow == null)
{
throw new ArgumentNullException("dataRow");
}
bool result = defaultVal;
if (!string.IsNullOrEmpty(columnName))
{
return(GlobalExt.ObjectToBoolean(dataRow[columnName]));
}
else
{
return(GlobalExt.ObjectToBoolean(dataRow[0]));
}
}
/// <summary>
/// Convert cell value to uInt16
/// </summary>
/// <param name="dataRow"></param>
/// <param name="columnName">we will use dataRow[0] instead of empty columnName</param>
/// <param name="defaultVal">the value should return if convert is failed or your data row value is DBNull</param>
/// <returns></returns>
public static ushort ToUInt16(this DataRow dataRow, string columnName, ushort defaultVal = 0)
{
if (dataRow == null)
{
throw new ArgumentNullException("dataRow");
}
ushort result = defaultVal;
if (!string.IsNullOrEmpty(columnName))
{
result = GlobalExt.ObjectToUshort(dataRow[columnName], defaultVal);
}
else
{
result = GlobalExt.ObjectToUshort(dataRow[0], defaultVal);
}
return(result);
}
/// <summary>
/// Convert cell value to string
/// </summary>
/// <param name="dataRow"></param>
/// <param name="columnName">we will use dataRow[0] instead of empty columnName</param>
/// <param name="defaultVal">the value should return if convert is failed or your data row value is DBNull</param>
/// <returns></returns>
public static string ToString(this DataRow dataRow, string columnName, string defaultVal = "")
{
if (dataRow == null)
{
throw new ArgumentNullException("dataRow");
}
string result = defaultVal;
if (!string.IsNullOrEmpty(columnName))
{
result = GlobalExt.ObjectToString(dataRow[columnName]);
}
else
{
result = GlobalExt.ObjectToString(dataRow[0]);
}
return(result);
}
