用了,还是不行。请赐教
“/021111”应用程序中的服务器错误。
--------------------------------------------------------------------------------输入字符串的格式不正确。
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。 异常详细信息: System.FormatException: 输入字符串的格式不正确。源错误:
行 87: txtUnitPrice = (TextBox)e.Item.Cells[2].Controls[0];
行 88: strProductName = txtProductName.Text;
行 89: decUnitPrice = decimal.Parse(txtUnitPrice.Text);
行 90:
行 91: SqlCommand myCommand = new SqlCommand("Update Products set ProductName=@ProductName,UnitPrice=@UnitPrice where ProductID =@ProductID",myConnection);
源文件: e:\test\021111\datagrideditproducts.aspx.cs 行: 89 堆栈跟踪:
[FormatException: 输入字符串的格式不正确。]
System.Number.ParseDecimal(String s, NumberStyles style, NumberFormatInfo info) +0
System.Decimal.Parse(String s, NumberStyles style, IFormatProvider provider) +30
System.Decimal.Parse(String s) +9
_021111.DataGridEditProducts.DataGrid1_UpdateCommand(Object source, DataGridCommandEventArgs e) in e:\test\021111\datagrideditproducts.aspx.cs:89
System.Web.UI.WebControls.DataGrid.OnUpdateCommand(DataGridCommandEventArgs e) +109
System.Web.UI.WebControls.DataGrid.OnBubbleEvent(Object source, EventArgs e) +748
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +26
System.Web.UI.WebControls.DataGridItem.OnBubbleEvent(Object source, EventArgs e) +106
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +26
System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) +121
System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +115
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +138
System.Web.UI.Page.ProcessRequestMain() +1263
“/021111”应用程序中的服务器错误。
--------------------------------------------------------------------------------输入字符串的格式不正确。
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。 异常详细信息: System.FormatException: 输入字符串的格式不正确。源错误:
行 87: txtUnitPrice = (TextBox)e.Item.Cells[2].Controls[0];
行 88: strProductName = txtProductName.Text;
行 89: decUnitPrice = decimal.Parse(txtUnitPrice.Text);
行 90:
行 91: SqlCommand myCommand = new SqlCommand("Update Products set ProductName=@ProductName,UnitPrice=@UnitPrice where ProductID =@ProductID",myConnection);
源文件: e:\test\021111\datagrideditproducts.aspx.cs 行: 89 堆栈跟踪:
[FormatException: 输入字符串的格式不正确。]
System.Number.ParseDecimal(String s, NumberStyles style, NumberFormatInfo info) +0
System.Decimal.Parse(String s, NumberStyles style, IFormatProvider provider) +30
System.Decimal.Parse(String s) +9
_021111.DataGridEditProducts.DataGrid1_UpdateCommand(Object source, DataGridCommandEventArgs e) in e:\test\021111\datagrideditproducts.aspx.cs:89
System.Web.UI.WebControls.DataGrid.OnUpdateCommand(DataGridCommandEventArgs e) +109
System.Web.UI.WebControls.DataGrid.OnBubbleEvent(Object source, EventArgs e) +748
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +26
System.Web.UI.WebControls.DataGridItem.OnBubbleEvent(Object source, EventArgs e) +106
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +26
System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) +121
System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +115
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +138
System.Web.UI.Page.ProcessRequestMain() +1263
--------------------------------------------------------------------------------指定的转换无效。
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。 异常详细信息: System.InvalidCastException: 指定的转换无效。源错误: 行 91: //decUnitPrice = decimal.Parse(txtUnitPrice.Text);
行 92: decUnitPrice = Convert.ToDecimal(txtUnitPrice);
行 93:
行 94: SqlCommand myCommand = new SqlCommand("Update Products set ProductName=@ProductName,UnitPrice=@UnitPrice where ProductID =@ProductID",myConnection);
源文件: e:\datagrideditproducts.aspx.cs 行: 92 堆栈跟踪:
[InvalidCastException: 指定的转换无效。]
System.Convert.ToDecimal(Object value) +21
_021111.DataGridEditProducts.DataGrid1_UpdateCommand(Object source, DataGridCommandEventArgs e) in e:\test\021111\datagrideditproducts.aspx.cs:92
System.Web.UI.WebControls.DataGrid.OnUpdateCommand(DataGridCommandEventArgs e) +109
System.Web.UI.WebControls.DataGrid.OnBubbleEvent(Object source, EventArgs e) +748
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +26
System.Web.UI.WebControls.DataGridItem.OnBubbleEvent(Object source, EventArgs e) +106
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +26
System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) +121
System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +115
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +138
System.Web.UI.Page.ProcessRequestMain() +1263
try{
decUnitPrice=Convert.ToDecimal(txtUnitPrice);
}catch(FormatException ex){decUnitPrice=0;}