$("#blogType [value= '1']").attr("selected", "selected");
$("#blogType [value= ' + this.currentEditingBlogType + ']").attr("selected", "selected");
$("#blogType [value= '" + this.currentEditingBlogType + "']").attr("selected", "selected");
<select name="blogType" id="blogType" > <option value="0">To own Blog</option> <option value="1">To company Blog</option> </select>