//数据库事件 protected void GridViewChat_RowCommand(object sender, GridViewCommandEventArgs e) { string cmdName = e.CommandName.ToString(); if (cmdName == "cmdDelete") { if (cmdName != null) { if (e.CommandArgument != null) { bool b = ChatManager.DeleteChatById(e.CommandArgument.ToString()); string operatorId = this.ddlOperator.SelectedValue; DataBindChat(operatorId, this.txtBeginDate.Text, this.txtEndDate.Text); } } } }