ASP.NET图表控件中的Y轴值限制错误 [英] Y-axis value bounding error in ASP.NET Chart controls
问题描述
我正在使用ASP.NET图表控件.
执行时出现以下错误.
错误:"Y值不能为数据绑定到字符串对象.参数名称:yValues"
上面的错误有什么问题.
查看我的代码:
-------------
如果dtable.Rows.Count> 0然后
昏暗的xvalue作为新列表(字符串)()
昏暗的yvalue作为新列表(字符串)()
对于i As Integer = 0到dtable.Rows.Count-1
xvalue.Add(dtable.Rows(i)("Emp_ID"))
yvalue.Add(dtable.Rows(i)("Section"))
下一个
Dim xvalues As String()= xvalue.ToArray
昏暗的yValues作为String()= yvalue.ToArray
Chart1.Series("ColChart").Points.DataBindXY(xvalues,yValues)
''''在此处显示错误-Y值不能是与
绑定的数据
字符串对象.
如果if
I am using ASP.NET Chart control.
while executing i am getting the below error.
Error : "Y values cannot be data bound to the string object.Parameter name: yValues"
What is the problem in the above error.
See my code:
-------------
If dtable.Rows.Count > 0 Then
Dim xvalue As New List(Of String)()
Dim yvalue As New List(Of String)()
For i As Integer = 0 To dtable.Rows.Count - 1
xvalue.Add(dtable.Rows(i)("Emp_ID"))
yvalue.Add(dtable.Rows(i)("Section"))
Next
Dim xvalues As String() = xvalue.ToArray
Dim yValues As String() = yvalue.ToArray
Chart1.Series("ColChart").Points.DataBindXY(xvalues, yValues)
''''Error displaying here -Y values cannot be data bound to the
string object.
End if
推荐答案
hi;
结束
请这样尝试!
hi;
Please try like this!
For Each drow As DataRow in dtable.Rows()
points.AddY(drow("someitem"))
Next
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