"finished" binary

num-converter/WebForm1.aspx.cs

@@ -22,7 +22,7 @@ namespace num_converter
             int BinaryNum;
             int OctalNum;
             int Base1 = 1;
-            
+            //dec to binary
             if (ddlSourcePosNum.SelectedIndex == 1 && ddlTargetPosNum.SelectedIndex == 2)
             {
                 DecimalNum = Convert.ToInt32(txtInput.Text);
@@ -34,7 +34,7 @@ namespace num_converter
                 }
                 lblResult.Text = Result;
             }
-
+            //dec to oct
             if (ddlSourcePosNum.SelectedIndex == 1 && ddlTargetPosNum.SelectedIndex == 3)
             {
                 
@@ -46,10 +46,10 @@ namespace num_converter
                     DecimalNum /= 8;
                 }
 
-                lblResult.Text = "0x" + Result;
+                lblResult.Text =  "Oo" + Result;
 
             }
-
+            //dec to hex
             if (ddlSourcePosNum.SelectedIndex == 1 && ddlTargetPosNum.SelectedIndex == 4)
             {
                 DecimalNum = Convert.ToInt32(txtInput.Text);
@@ -63,8 +63,9 @@ namespace num_converter
                     DecimalNum /= 16;
                 }
 
-                lblResult.Text = Result;
+                lblResult.Text = "0x" + Result;
             }
+            //bin to dec
             if (ddlSourcePosNum.SelectedIndex == 2 && ddlTargetPosNum.SelectedIndex == 1)
             {
                 BinaryNum = Convert.ToInt32(txtInput.Text, 2);
@@ -72,6 +73,46 @@ namespace num_converter
 
                 lblResult.Text = Result;
             }
+            //binary to dec to oct
+            if (ddlSourcePosNum.SelectedIndex == 2 && ddlTargetPosNum.SelectedIndex == 3)
+            {
+                BinaryNum = Convert.ToInt32(txtInput.Text, 2);
+                DecimalNum = BinaryNum;
+                while (DecimalNum > 0)
+                {
+                    Remainder = DecimalNum % 2;
+                    DecimalNum /= 2;
+                    Result = Remainder.ToString() + Result;
+                }
+
+                lblResult.Text = "Oo" + Result;
+            }
+            //bin to hex
+            if (ddlSourcePosNum.SelectedIndex == 2 && ddlTargetPosNum.SelectedIndex == 4)
+            {
+               string binaryNum = Convert.ToInt32(txtInput.Text, 2).ToString("X");
+               Result = binaryNum;
+               lblResult.Text = Result;
+
+               /*int binRemain = binaryNum.Length % 4;
+               if (binRemain != 0)
+               {
+                   binaryNum = new string('O', 4 - binRemain) + binaryNum;
+               }
+
+               for (int i = 0; i < binaryNum.Length; i += 4)
+               {
+                   string binaryGroup = binaryNum.Substring(i, 4);
+                   DecimalNum = Convert.ToInt32(binaryGroup, 2);
+                   string hexDigit = DecimalNum.ToString("X");
+                   Result += hexDigit;
+               }
+
+               lblResult.Text = Result;
+               /* Result = BinaryNum.ToString();
+                lblResult.Text = "0x" + Result;*/
+
+            }
         }
 
         protected void btnClear_Click(object sender, EventArgs e)