how to pass multiple parameter in crystal report using selec

This will work fo you.

CRUserList CRUserListRPT = new CRUserList();

ParameterFields paraFileds = new ParameterFields();

ParameterField paraFiled = new ParameterField();

ParameterDiscreteValue paraDescritValue;

ParameterField paraFiled1 = new ParameterField();

ParameterDiscreteValue paraDescritValue1;

if (txtFirstName.Text.Trim() != "")

{

paraFiled.Name = "FirstName";

paraFiled.CurrentValues.Clear();

paraDescritValue = new ParameterDiscreteValue();

paraDescritValue.Value = txtFirstName.Text.Trim();

paraFiled.CurrentValues.Add(paraDescritValue);

paraFileds.Add(paraFiled);

}

if (txtLastName.Text.Trim() != "")

{

paraFiled1.Name = "LastName";

paraFiled1.CurrentValues.Clear();

paraDescritValue1 = new ParameterDiscreteValue();

paraDescritValue1.Value = txtLastName.Text.Trim();

paraFiled1.CurrentValues.Add(paraDescritValue1);

paraFileds.Add(paraFiled1);

}

CRPTViewer.ParameterFieldInfo = paraFileds;

CRPTViewer.ReportSource = CRUserListRPT;

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