提示错误必须声明标量变量@sexwhere.
sqlStr+="[Spec]='"+comboBox1.Text+"',"+"[Sex]=@Sex";sqlStr+="WhereReaderID='"+textBox...
sqlStr += "[Spec]='" + comboBox1.Text + "'," + "[Sex]=@Sex";
sqlStr += "Where ReaderID='" + textBox1.Text.Trim() + "'"; 展开
sqlStr += "Where ReaderID='" + textBox1.Text.Trim() + "'"; 展开
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