问插入数据库？

EN

 <div id="demo-form2"  class="form-horizontal form-label-left">
                   <div class="form-group">
                    <label class="control-label col-md-3 col-sm-3 col-xs-12" for="first-name">Banner Image <span class="required">*</span>
                    </label>
                    <div class="col-md-6 col-sm-6 col-xs-12">
                          <asp:Image runat="server"  CssClass="img-thumbnail" Height="200px" Width="550px"  id="img1" />
              <br /><br />
              <asp:FileUpload runat="server" ID="fuPic1" BackColor="#F6F3F3" CssClass="form-control" />
                         </div>
                    </div>
                    <div class="form-group">
                    <label class="control-label col-md-3 col-sm-3 col-xs-12" for="first-name">Blog Title <span class="required">*</span>
                    </label>
                    <div class="col-md-6 col-sm-6 col-xs-12">
                           <asp:TextBox runat="server"  CssClass=" form-control col-md-7 col-xs-12 "  placeholder="Blog Title" id="txtTitle" />

                    </div>
                  </div>
       <div class="form-group">
                    <label class="control-label col-md-3 col-sm-3 col-xs-12" for="first-name">First Paragraph <span class="required">*</span>
                    </label>
                    <div class="col-md-6 col-sm-6 col-xs-12">
                        <textarea runat="server" id="txtA1" style="width:100%; height:200px;" class="form-control col-md-7 col-xs-12" placeholder="Write here................"></textarea>


                    </div>
                  </div>
                    <div class="form-group">
                    <label class="control-label col-md-3 col-sm-3 col-xs-12" for="first-name">Sub-Title <span class="required">*</span>
                    </label>
                    <div class="col-md-6 col-sm-6 col-xs-12">
                         <asp:TextBox runat="server"  CssClass="form-control col-md-7 col-xs-12"  placeholder="Sub-Title" id="txtSTitle" />


                    </div>
                  </div>
            <div class="form-group">
                    <label class="control-label col-md-3 col-sm-3 col-xs-12" for="first-name">Second Paragraph <span class="required">*</span>
                    </label>
                    <div class="col-md-6 col-sm-6 col-xs-12">
                        <textarea runat="server" id="txtA2" style="width:100%; height:200px;" class="form-control col-md-7 col-xs-12" placeholder="Write here................"></textarea>


                    </div>
                  </div>
                  <div class="form-group">
                    <label class="control-label col-md-3 col-sm-3 col-xs-12" for="first-name">Second Image <span class="required">*</span>
                    </label>
                    <div class="col-md-6 col-sm-6 col-xs-12">
                          <asp:Image runat="server"  CssClass="img-thumbnail" Height="150px" Width="150px"  id="img2" />
              <br /><br />
              <asp:FileUpload runat="server" ID="fuPic2" BackColor="#F6F3F3" CssClass="form-control" />
                         </div>
                    </div>



         <div class="ln_solid"></div>
                  <div class="form-group">
                    <div class="col-md-6 col-sm-6 col-xs-12 col-md-offset-3">
                      <asp:Button   runat="server" CssClass="btn btn-success submit form-control" Text="Add" ID="btnAdd" OnClick="btnAdd_Click" /><br />
        <br />   <a href="AIndex.aspx" class="btn btn-danger form-control">Cancel</a>
                        <br /><br />
                    </div>
                  </div>
                  </div>

        string pic = "";

        if (fuPic1.HasFile)
        {
            string fPath1 = Server.MapPath("~/BlogPics/");
            fuPic1.SaveAs(fPath1 + fuPic1.FileName);
            pic = "~/BlogPics/" + fuPic1.FileName;

        }
        else
        {
            pic = "";
        }

        string pic1 = "";

        if (fuPic2.HasFile)
        {
            string fPath2 = Server.MapPath("~/BlogPics/");
            fuPic2.SaveAs(fPath2 + fuPic2.FileName);
            pic1 = "~/BlogPics/" + fuPic2.FileName;
        }
        else
        {
            pic1 = "";
        }

        SqlConnection con = new SqlConnection("Data Source=Saad_Zahid ;  Database=DJ ; Integrated Security=True; ");
        string query = "insert into Blog(Blog_Banner,Blog_Title,Blog_Para1,Blog_SubTitle,Blog_Para2,Blog_Img) values('" + pic + "','" + txtTitle.Text + "', '" + txtA1.InnerText + "','" + txtSTitle.Text + "','" + txtA2.InnerText + "','" + pic1 + "')";

        SqlCommand cmd = new SqlCommand(query, con);

        con.Open();
        cmd.ExecuteNonQuery();
        con.Close();

        img1.ImageUrl = pic;
        img2.ImageUrl = pic1;
        ScriptManager.RegisterStartupScript(this, this.GetType(), "alert", "alert('Blog Added');window.location ='AIndex.aspx';", true);