上传不了 签名

HJGL_DS/FineUIPro.Web/WeldMat/UsingSentMat/LC700.aspx

@@ -88,7 +88,7 @@
 <script src="../res/js/sign/LC700.js"></script> 
  
 <script type="text/javascript">
-
+    var keyId='<%=keyId%>'
     function upLoadFile(data) {
         $.ajax({
             url: "LC700.aspx/UploadData",
@@ -96,7 +96,8 @@
             contentType: "application/json; charset=utf-8",
             dataType: "json",
             data: JSON.stringify({
-                data: data
+                data: data,
+                keyId: keyId
             }),
             success: function (data) { 
                 /*window.parent.backData(data.d)*/

HJGL_DS/FineUIPro.Web/WeldMat/UsingSentMat/LC700.aspx.cs

@@ -13,13 +13,25 @@ namespace FineUIPro.Web.Sign
 {
     public partial class LC700 : PageBase
     {
+
+        public string keyId
+        {
+            get
+            {
+                return (string)ViewState["keyId"];
+            }
+            set
+            {
+                ViewState["keyId"] = value;
+            }
+        }
         protected void Page_Load(object sender, EventArgs e)
         {
-            BLL.Funs.usingMatId = Request.Params["keyId"];
+            keyId = Request.Params["keyId"];
         }
 
         [WebMethod]
-        public static string UploadData(string data)
+        public static string UploadData(string keyId,string data)
         {
             byte[] imageBytes = Convert.FromBase64String(data);
             string filePath = "/FileUpLoad/Sign/" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".jpeg";
@@ -40,8 +52,8 @@ namespace FineUIPro.Web.Sign
                     image.Save(BLL.Funs.RootPath + filePath, System.Drawing.Imaging.ImageFormat.Jpeg);
                 }
             }
-            var usingMat = BLL.UsingMatService.GetUsingMatById(BLL.Funs.usingMatId);
-            BLL.UsingMatService.WelderConfirm(BLL.Funs.usingMatId, true, filePath);
+            var usingMat = BLL.UsingMatService.GetUsingMatById(keyId);
+            BLL.UsingMatService.WelderConfirm(keyId, true, filePath);
             return filePath;
         }
     }