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我有一个grid时间表条目。
列列表是这样的。

S.No  Slot Name  Monday  Tuesday  Wednesday  Thursday  Friday
====  =========  ======= =======  =========  ========  ========

列插槽名称具有已从数据库加载的值。

用户可以在任何时间段（即时间段）下输入任何一天的数据。（用户可以从单击每列内的添加按钮出现的弹出窗口中添加数据）。

如果用户没有输入任何一天，则不应将数据保存到数据库中。我该如何检查？

此页面中的 PS 保存操作首先将数据保存到包含学校、班级、学期、部门等信息的父表中，保存后，将每天的个人详细信息保存到另一个表中。

@Syed，这是我的插入代码。

Dim sFacultyLabelDetail As String = "lbl" & sDay & "Faculty"
Dim lblFacNameDetail As System.Web.UI.WebControls.Label = row.FindControl(sFacultyLabel)

Dim sSubjectLabelDetail As String = "lbl" & sDay & "Subject"
Dim lblSubjectNameDetail As System.Web.UI.WebControls.Label = row.FindControl(sSubjectLabel)

dsGetTimeTableDetailID = (From t1 In dbl.TimeTableDetails Where t1.TimeTableBreakUpID = dsSaveTimeTableBreakUpDetails And t1.Date = stDate Select t1.TimeTableDetailID).FirstOrDefault.ToString

If (dsGetTimeTableDetailID = 0 And (Trim(lblSubjectNameDetail.Text) <> "" Or Trim(lblFacNameDetail.Text) <> "" Or Trim(lblIsExternal.Text) <> "")) Then
    dsSaveTimeTableDetailsForView = dbl.usp_InsertTimeTableDetailsForViewTimeTable(0, dsSaveTimeTableBreakUpDetails, Val(lblFacID.Text), Trim(lblFacNameDetail.Text), Val(lblSubjectID.Text), Trim(lblSubjectNameDetail.Text), stDate.Date, Trim(lblIsExternal.Text), sDayName, "Y", sUserName, DateTime.Now).ReturnValue
ElseIf (dsGetTimeTableDetailID <> 0) And (Trim(lblSubjectNameDetail.Text) = "" And (Trim(lblFacNameDetail.Text) = "" And Trim(lblIsExternal.Text) = "")) Then
    dsSaveTimeTableDetailsForView = dbl.usp_UpdateTimeTableDetailsForViewTimeTable(dsGetTimeTableDetailID, dsSaveTimeTableBreakUpDetails, Val(lblFacID.Text), Trim(lblFacNameDetail.Text), Val(lblSubjectID.Text), Trim(lblSubjectNameDetail.Text), stDate.Date, Trim(lblIsExternal.Text), sDayName, "N", sUserName, DateTime.Now).ReturnValue
ElseIf (dsGetTimeTableDetailID <> 0 And (Trim(lblSubjectNameDetail.Text) <> "" Or Trim(lblFacNameDetail.Text) <> "" Or Trim(lblIsExternal.Text) <> "")) Then
    dsSaveTimeTableDetailsForView = dbl.usp_UpdateTimeTableDetailsForViewTimeTable(dsGetTimeTableDetailID, dsSaveTimeTableBreakUpDetails, Val(lblFacID.Text), Trim(lblFacNameDetail.Text), Val(lblSubjectID.Text), Trim(lblSubjectNameDetail.Text), stDate.Date, Trim(lblIsExternal.Text), sDayName, "Y", sUserName, DateTime.Now).ReturnValue    
End If

这里sDay是网格中的标题名称（星期一/星期二...）

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