I am using DxViewer to try my hand at my first HLSL shading adventure. For the life of me, I cannot get the sphere lit. It is black. I can't believe I'm the only one having this problem, but everybody seems to have lighting figured out. WHAT am I missing?

--
Jeff S.

/////////
/// MyEffect.fx
/////////

#include <sas\sas.fxh>

int GlobalParameter : SasGlobal
<
int3 SasVersion = {1, 1, 0};

string SasEffectDescription = "HLSL Hands-On Workshop: Completed solution";
string SasEffectCompany = "Microsoft Corporation";
bool SasUiVisible = false;
>;

float Time <string SasBindAddress = "Sas.Time.Now"; bool SasUiVisible = false;>;
float4x4 World <string SasBindAddress = "Sas.Skeleton.MeshToJointToWorld[0]"; bool SasUiVisible = false;>;
float4x4 View <string SasBindAddress = "Sas.Camera.WorldToView"; bool SasUiVisible = false;>;
float4x4 Projection <string SasBindAddress = "Sas.Camera.Projection"; bool SasUiVisible = false;>;
SasDirectionalLight DirectionalLight <string SasBindAddress = "Sas.DirectionalLight[0]"; bool SasUiVisible = false;>;

struct VS_OUTPUT {
float4 position : POSITION;
float4 color : COLOR;
};

VS_OUTPUT Vertex_Shader_Transform(in float4 vPosition : POSITION, in float4 vColor : COLOR)
{
VS_OUTPUT output;
// Transform the vertex into projection space.
output.position = mul( vPosition, mul(View, Projection ));
output.color = vColor; // color pass-thru

return output;
}

float4 Pixel_Shader(in float4 diffuseColor : COLOR) : COLOR
{
return diffuseColor;
}

technique OnlyTechnique {
pass P0 {
AlphaBlendEnable = FALSE;
AmbientMaterialSource = MATERIAL;
DiffuseMaterialSource = MATERIAL;
EmissiveMaterialSource = MATERIAL;

MaterialAmbient = float4(0.1,0.1,0.1,1.0);
MaterialDiffuse = float4(0.5,0.2,0.7,1.0);
MaterialPower = 3.0;
MaterialEmissive = float4(1,1,1,1);
MaterialSpecular = float4(1,1,1,1);

Lighting = TRUE;
LightEnable[0] = TRUE;
LightAmbient[0] = float4(1,1,1,1);
LightDiffuse[0] = float4(1,1,1,1);
LightSpecular[0] = float4(1,1,1,1);
LightType[0] = DIRECTIONAL;
LightDirection[0] = float3(0,-1,0); // facing down

VertexShader = compile vs_2_0 Vertex_Shader_Transform();

//PixelShader = compile ps_2_0 Pixel_Shader(); // I need to convince myself that I can get device lighting to work before I tackle pixel-shaded lighting.
}
}