// does Validation on VendorID Search TextBox
private Boolean inputIsValid()
{
string errText = this.txtVendorIDSearch.Text;
if (Validation.IsBlank(this.txtVendorIDSearch.Text) ||
Validation.IsNullOrEmpty(this.txtVendorIDSearch.Text))
{
MessageBox.Show("There must be an Id to search for.");
this.txtVendorIDSearch.Focus();
this.txtVendorIDSearch.Clear();
return(false);
}
else if (!Validation.IsInt(this.txtVendorIDSearch.Text))
{
MessageBox.Show("'" + errText + "'" + " is not a valid Vendor ID. " +
"\nId must be a numeric value.");
this.txtVendorIDSearch.Focus();
this.txtVendorIDSearch.Clear();
return(false);
}
int venID = Convert.ToInt32(txtVendorIDSearch.Text);
int maxID = _myVendorManager.GetMaxVendorID();
if (!Validation.IsIntRange(1, maxID, venID))
{
MessageBox.Show("'" + errText + "'" + " is not a valid Vendor ID. " +
"\nId must be greater than 0 but less than " + maxID);
this.txtVendorIDSearch.Focus();
this.txtVendorIDSearch.Clear();
return(false);
}
return(true);
}