[InvalidCastException: Unable to cast object of type 'System.DBNull' to type 'System.String'.]
projectRow.get_pic() +63
[StrongTypingException: The value for column 'pic' in table 'project' is DBNull.]
projectRow.get_pic() +160
detail.Page_PreRender(Object sender, EventArgs e) +557
System.Web.UI.Control.OnPreRender(EventArgs e) +11728868
System.Web.UI.Control.PreRenderRecursiveInternal() +132
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3671
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