public wDBRowCollection Where(string what, ComparisonOperator op, object operand)
{
string operandTwo = "";
if (operand is int)
operandTwo = ((int)operand).ToString();
else if (operand is string)
operandTwo = (string)operand;
else if (operand is bool)
operandTwo = ((bool)operand) ? "1" : "0";
wDBRowCollection newCollection = new wDBRowCollection();
for (int i = 0; i < this.rows.Count; i++)
{
string operandOne = this.rows[i][what];
double opOne = 0, opTwo = 0;
double.TryParse(operandOne, out opOne);
double.TryParse(operandTwo, out opTwo);
switch(op)
{
case ComparisonOperator.Is:
if(operandOne == operandTwo)
newCollection.rows.Add(this.rows[i]);
break;
case ComparisonOperator.IsNot:
if(operandOne != operandTwo)
newCollection.rows.Add(this.rows[i]);
break;
case ComparisonOperator.LessThan:
if(opOne < opTwo)
newCollection.rows.Add(this.rows[i]);
break;
case ComparisonOperator.LessThanEqualTo:
if(opOne <= opTwo)
newCollection.rows.Add(this.rows[i]);
break;
case ComparisonOperator.GreaterThan:
if(opOne > opTwo)
newCollection.rows.Add(this.rows[i]);
break;
case ComparisonOperator.GreaterThanEqualTo:
if(opOne >= opTwo)
newCollection.rows.Add(this.rows[i]);
break;
case ComparisonOperator.StartsWith:
{
if (operandOne.StartsWith(operandTwo))
{
newCollection.rows.Add(this.rows[i]);
}
break;
}
}
}
return newCollection;
}
public wDBRowCollection Where(string what, ComparisonOperator op, object operand)
{
string operandTwo = "";
if (operand is int)
{
operandTwo = ((int)operand).ToString();
}
else if (operand is string)
{
operandTwo = (string)operand;
}
else if (operand is bool)
{
operandTwo = ((bool)operand) ? "1" : "0";
}
wDBRowCollection newCollection = new wDBRowCollection();
for (int i = 0; i < this.rows.Count; i++)
{
string operandOne = this.rows[i][what];
double opOne = 0, opTwo = 0;
double.TryParse(operandOne, out opOne);
double.TryParse(operandTwo, out opTwo);
switch (op)
{
case ComparisonOperator.Is:
if (operandOne == operandTwo)
{
newCollection.rows.Add(this.rows[i]);
}
break;
case ComparisonOperator.IsNot:
if (operandOne != operandTwo)
{
newCollection.rows.Add(this.rows[i]);
}
break;
case ComparisonOperator.LessThan:
if (opOne < opTwo)
{
newCollection.rows.Add(this.rows[i]);
}
break;
case ComparisonOperator.LessThanEqualTo:
if (opOne <= opTwo)
{
newCollection.rows.Add(this.rows[i]);
}
break;
case ComparisonOperator.GreaterThan:
if (opOne > opTwo)
{
newCollection.rows.Add(this.rows[i]);
}
break;
case ComparisonOperator.GreaterThanEqualTo:
if (opOne >= opTwo)
{
newCollection.rows.Add(this.rows[i]);
}
break;
case ComparisonOperator.StartsWith:
{
if (operandOne.StartsWith(operandTwo))
{
newCollection.rows.Add(this.rows[i]);
}
break;
}
}
}
return(newCollection);
}
