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07.18.2008 at 03:10AM PDT, ID: 23576295
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7.3

having problom with sqlConnection to databse for my login form.....getting error message.

Asked by gonadn in Web Languages/Standards, Programming for ASP.NET, Microsoft Visual C#.Net

Tags:

hi

i get error message :Documents\LaPaz\login1.aspx.cs:line 121Error Connecting to the database.....iam new to asp.net programming, i nedd help to make a secure login system for my shoppingchart on my webpage...can somone help me come throw this issue...?1

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DBConnection function:
 
private bool DBConnection(string txtUser, string txtPass)
    {
        SqlConnection myConn = new SqlConnection(ConfigurationSettings.AppSettings["strConn"]);
        SqlCommand myCmd = new SqlCommand("sp_ValidateUser", myConn);
        
 
        myCmd.CommandType = CommandType.StoredProcedure;
 
        SqlParameter objParam1;
        SqlParameter objParam2;
        SqlParameter returnParam;
 
        objParam1 = myCmd.Parameters.Add("@UserName", SqlDbType.VarChar);
        objParam2 = myCmd.Parameters.Add("@Password", SqlDbType.VarChar);
        returnParam = myCmd.Parameters.Add("@Num_of_User", SqlDbType.Int);
 
        objParam1.Direction = ParameterDirection.Input;
        objParam2.Direction = ParameterDirection.Input;
        returnParam.Direction = ParameterDirection.ReturnValue;
 
        objParam1.Value = txtUser;
        objParam2.Value = txtPass;
 
        try
        {
            if (myConn.State.Equals(ConnectionState.Closed))
            {
                myConn.Open();
                myCmd.ExecuteNonQuery();
            }
            if ((int)returnParam.Value < 1)
            {
                lblMessage.Text = "Invalid Login!";
                return false;
            }
            else
            {
                myConn.Close();
                return true;
            }
        }
        catch (Exception ex)
        {
            lblMessage2.Text = ex + "Error Connecting to the database";
            
            return false;
        }
 
    
  }
 
**************Web.Config************************
 
<?xml version="1.0"?>
<!-- 
    Note: As an alternative to hand editing this file you can use the 
    web admin tool to configure settings for your application. Use
    the Website->Asp.Net Configuration option in Visual Studio.
    A full list of settings and comments can be found in 
    machine.config.comments usually located in 
    \Windows\Microsoft.Net\Framework\v2.x\Config 
-->
<configuration>
  <appSettings>
    <add key="strConn" value="Network Library=DBMSSOCN;Data Source=(local),1433;database=LaPaz;User id=;Password=;"/>
  </appSettings>
 
 
  <connectionStrings>
    <add name="MyMembershipConnString" connectionString="Server=(local);Integrated Security=SSPI;Database=LaPaz" providerName="System.Data.SqlClient"/>
  </connectionStrings>
 
 
  <system.web>
    <!--<smtpMail serverName="MyServer" serverPort="15" from="gonadn@gmail.com">
      <fields>
        <add name="smtpauthenticate" value="2">
        </fields>
    </smtpMail>-->
 
 
    <compilation debug="true"/>
    <!--
            The <authentication> section enables configuration 
            of the security authentication mode used by 
            ASP.NET to identify an incoming user. 
        -->
    <roleManager enabled="true" defaultProvider="MySqlProvider" cacheRolesInCookie="true" cookieName=".MyRolesCookie" cookieTimeout="30" cookieSlidingExpiration="true" cookieProtection="All">
      <providers>
        <add name="MySqlProvider"
        type="System.Web.Security.SqlRoleProvider"
        connectionStringName="MyMembershipConnString"
        applicationName="RolesDemo"/>
      </providers>
    </roleManager>
 
 
      <authentication mode="Forms"/>
      <authorization>
        <allow users="comma-separated list of users"
        roles="comma-separated list of roles"
        verbs="comma-separated list of verbs" />
        <deny users="comma-separated list of users"
        roles="comma-separated list of roles"
        verbs="comma-separated list of verbs" />
      </authorization>
 
 
      <membership>
        <providers>
          <remove name="AspNetSqlMembershipProvider" />
          <add name="AspNetSqlMembershipProvider"
                    type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
                    connectionStringName="MyMembershipConnString"
                    enablePasswordRetrieval="false"
                    enablePasswordReset="true"
                    requiresQuestionAndAnswer="false"
                    applicationName="/"
                    requiresUniqueEmail="false"
                    minRequiredPasswordLength="6"
                    minRequiredNonalphanumericCharacters="0"
                    passwordFormat="Hashed"
                    maxInvalidPasswordAttempts="5"
                    passwordAttemptWindow="10"
                    passwordStrengthRegularExpression="" />
        </providers>
 
 
      </membership>
 
    <!--<smtpMail serverName="local" serverPort="15" from="proaspnet2@apress.com">
    <fields>
      <add name="smtpauthenticate" value="2">
      </add>
      </fields>
    </smtpMail>-->
    </system.web>
</configuration>
 
Keywords: having problom with sqlConnection to d…
Title
1 SQLConnection class
2 Trace a SqlConnection - Connection P…
3 SQLConnection with C# in ASP.net
4 SqlConnection ERROR
5 webpage appearance wrong
6 Throwing exception
 
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[+][-]07.18.2008 at 03:14AM PDT, ID: 22034239

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[+][-]07.18.2008 at 03:41AM PDT, ID: 22034338

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[+][-]07.18.2008 at 08:54AM PDT, ID: 22037132

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About this solution

Zones: Web Languages/Standards, Programming for ASP.NET, Microsoft Visual C#.Net
Tags: c# .Net ASP.Net
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Solution Provided By: zell71
Participating Experts: 2
Solution Grade: B
 
 
[+][-]07.25.2008 at 04:30AM PDT, ID: 22087495

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